Finding the Third Proportional to 31,517,998 and 69,014,720

Step by Step Solution

1. Step 1: Write the proportion equation
   31,517,998 : 69,014,720 = 69,014,720 : x
2. Step 2: Convert to fraction form
   31,517,998/69,014,720 = 69,014,720/x
3. Step 3: Cross multiply
   31,517,998x = 69,014,720 × 69,014,720
4. Step 4: Simplify right side
   31,517,998x = 4,763,031,576,678,400
5. Step 5: Solve for x
   x = 4,763,031,576,678,400/31,517,998
6. Step 6: Final answer
   x = 151,121,006.37