Finding the Third Proportional to 31,226,483 and 67,665,800

Step by Step Solution

1. Step 1: Write the proportion equation
   31,226,483 : 67,665,800 = 67,665,800 : x
2. Step 2: Convert to fraction form
   31,226,483/67,665,800 = 67,665,800/x
3. Step 3: Cross multiply
   31,226,483x = 67,665,800 × 67,665,800
4. Step 4: Simplify right side
   31,226,483x = 4,578,660,489,640,000
5. Step 5: Solve for x
   x = 4,578,660,489,640,000/31,226,483
6. Step 6: Final answer
   x = 146,627,479.30