Finding the Third Proportional to 37,984,998 and 77,312,406

Step by Step Solution

1. Step 1: Write the proportion equation
   37,984,998 : 77,312,406 = 77,312,406 : x
2. Step 2: Convert to fraction form
   37,984,998/77,312,406 = 77,312,406/x
3. Step 3: Cross multiply
   37,984,998x = 77,312,406 × 77,312,406
4. Step 4: Simplify right side
   37,984,998x = 5,977,208,121,508,836
5. Step 5: Solve for x
   x = 5,977,208,121,508,836/37,984,998
6. Step 6: Final answer
   x = 157,357,073.48