Finding the Third Proportional to 31,179,847,293 and 72,755,491,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,179,847,293 : 72,755,491,288.50 = 72,755,491,288.50 : x
2. Step 2: Convert to fraction form
   31,179,847,293/72,755,491,288.50 = 72,755,491,288.50/x
3. Step 3: Cross multiply
   31,179,847,293x = 72,755,491,288.50 × 72,755,491,288.50
4. Step 4: Simplify right side
   31,179,847,293x = 5,293,361,512,630,999,580,672
5. Step 5: Solve for x
   x = 5,293,361,512,630,999,580,672/31,179,847,293
6. Step 6: Final answer
   x = 169,768,679,842.75