Finding the Third Proportional to 19,510,994 and 42,018,724

Step by Step Solution

1. Step 1: Write the proportion equation
   19,510,994 : 42,018,724 = 42,018,724 : x
2. Step 2: Convert to fraction form
   19,510,994/42,018,724 = 42,018,724/x
3. Step 3: Cross multiply
   19,510,994x = 42,018,724 × 42,018,724
4. Step 4: Simplify right side
   19,510,994x = 1,765,573,166,588,176
5. Step 5: Solve for x
   x = 1,765,573,166,588,176/19,510,994
6. Step 6: Final answer
   x = 90,491,195.20