Finding the Third Proportional to 31,631,040 and 69,062,976

Step by Step Solution

1. Step 1: Write the proportion equation
   31,631,040 : 69,062,976 = 69,062,976 : x
2. Step 2: Convert to fraction form
   31,631,040/69,062,976 = 69,062,976/x
3. Step 3: Cross multiply
   31,631,040x = 69,062,976 × 69,062,976
4. Step 4: Simplify right side
   31,631,040x = 4,769,694,653,976,576
5. Step 5: Solve for x
   x = 4,769,694,653,976,576/31,631,040
6. Step 6: Final answer
   x = 150,791,584.91