Finding the Third Proportional to 31,366,802 and 67,944,678

Step by Step Solution

1. Step 1: Write the proportion equation
   31,366,802 : 67,944,678 = 67,944,678 : x
2. Step 2: Convert to fraction form
   31,366,802/67,944,678 = 67,944,678/x
3. Step 3: Cross multiply
   31,366,802x = 67,944,678 × 67,944,678
4. Step 4: Simplify right side
   31,366,802x = 4,616,479,268,523,684
5. Step 5: Solve for x
   x = 4,616,479,268,523,684/31,366,802
6. Step 6: Final answer
   x = 147,177,237.53