Finding the Third Proportional to 42,385.50 and 67,101.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,385.50 : 67,101.75 = 67,101.75 : x
2. Step 2: Convert to fraction form
   42,385.50/67,101.75 = 67,101.75/x
3. Step 3: Cross multiply
   42,385.50x = 67,101.75 × 67,101.75
4. Step 4: Simplify right side
   42,385.50x = 4,502,644,853.06
5. Step 5: Solve for x
   x = 4,502,644,853.06/42,385.50
6. Step 6: Final answer
   x = 106,230.78