Finding the Third Proportional to 31,516,734 and 69,012,180

Step by Step Solution

1. Step 1: Write the proportion equation
   31,516,734 : 69,012,180 = 69,012,180 : x
2. Step 2: Convert to fraction form
   31,516,734/69,012,180 = 69,012,180/x
3. Step 3: Cross multiply
   31,516,734x = 69,012,180 × 69,012,180
4. Step 4: Simplify right side
   31,516,734x = 4,762,680,988,352,400
5. Step 5: Solve for x
   x = 4,762,680,988,352,400/31,516,734
6. Step 6: Final answer
   x = 151,115,943.31