Finding the Third Proportional to 31,517,336 and 69,013,570

Step by Step Solution

1. Step 1: Write the proportion equation
   31,517,336 : 69,013,570 = 69,013,570 : x
2. Step 2: Convert to fraction form
   31,517,336/69,013,570 = 69,013,570/x
3. Step 3: Cross multiply
   31,517,336x = 69,013,570 × 69,013,570
4. Step 4: Simplify right side
   31,517,336x = 4,762,872,844,144,900
5. Step 5: Solve for x
   x = 4,762,872,844,144,900/31,517,336
6. Step 6: Final answer
   x = 151,119,144.21