Finding the Third Proportional to 31,773.38 and 67,768.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,773.38 : 67,768.88 = 67,768.88 : x
2. Step 2: Convert to fraction form
   31,773.38/67,768.88 = 67,768.88/x
3. Step 3: Cross multiply
   31,773.38x = 67,768.88 × 67,768.88
4. Step 4: Simplify right side
   31,773.38x = 4,592,620,418.77
5. Step 5: Solve for x
   x = 4,592,620,418.77/31,773.38
6. Step 6: Final answer
   x = 144,543.05