Finding the Third Proportional to 31,198,750 and 69,567,208

Step by Step Solution

1. Step 1: Write the proportion equation
   31,198,750 : 69,567,208 = 69,567,208 : x
2. Step 2: Convert to fraction form
   31,198,750/69,567,208 = 69,567,208/x
3. Step 3: Cross multiply
   31,198,750x = 69,567,208 × 69,567,208
4. Step 4: Simplify right side
   31,198,750x = 4,839,596,428,915,264
5. Step 5: Solve for x
   x = 4,839,596,428,915,264/31,198,750
6. Step 6: Final answer
   x = 155,121,484.96