Finding the Third Proportional to 19,416,160,370,878 and 42,250,347,113,908

Step by Step Solution

1. Step 1: Write the proportion equation
   19,416,160,370,878 : 42,250,347,113,908 = 42,250,347,113,908 : x
2. Step 2: Convert to fraction form
   19,416,160,370,878/42,250,347,113,908 = 42,250,347,113,908/x
3. Step 3: Cross multiply
   19,416,160,370,878x = 42,250,347,113,908 × 42,250,347,113,908
4. Step 4: Simplify right side
   19,416,160,370,878x = 1,785,091,831,245,714,004,834,779,136
5. Step 5: Solve for x
   x = 1,785,091,831,245,714,004,834,779,136/19,416,160,370,878
6. Step 6: Final answer
   x = 91,938,457,302,976.64