Finding the Third Proportional to 31,563,131 and 67,920,165

Step by Step Solution

1. Step 1: Write the proportion equation
   31,563,131 : 67,920,165 = 67,920,165 : x
2. Step 2: Convert to fraction form
   31,563,131/67,920,165 = 67,920,165/x
3. Step 3: Cross multiply
   31,563,131x = 67,920,165 × 67,920,165
4. Step 4: Simplify right side
   31,563,131x = 4,613,148,813,627,225
5. Step 5: Solve for x
   x = 4,613,148,813,627,225/31,563,131
6. Step 6: Final answer
   x = 146,156,248.37