Finding the Third Proportional to 19,580,818 and 42,415,946

Step by Step Solution

1. Step 1: Write the proportion equation
   19,580,818 : 42,415,946 = 42,415,946 : x
2. Step 2: Convert to fraction form
   19,580,818/42,415,946 = 42,415,946/x
3. Step 3: Cross multiply
   19,580,818x = 42,415,946 × 42,415,946
4. Step 4: Simplify right side
   19,580,818x = 1,799,112,475,074,916
5. Step 5: Solve for x
   x = 1,799,112,475,074,916/19,580,818
6. Step 6: Final answer
   x = 91,881,374.67