Finding the Third Proportional to 31,450,842 and 67,273,632

Step by Step Solution

1. Step 1: Write the proportion equation
   31,450,842 : 67,273,632 = 67,273,632 : x
2. Step 2: Convert to fraction form
   31,450,842/67,273,632 = 67,273,632/x
3. Step 3: Cross multiply
   31,450,842x = 67,273,632 × 67,273,632
4. Step 4: Simplify right side
   31,450,842x = 4,525,741,562,471,424
5. Step 5: Solve for x
   x = 4,525,741,562,471,424/31,450,842
6. Step 6: Final answer
   x = 143,898,899.83