Finding the Third Proportional to 42,565.50 and 68,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,565.50 : 68,584.50 = 68,584.50 : x
2. Step 2: Convert to fraction form
   42,565.50/68,584.50 = 68,584.50/x
3. Step 3: Cross multiply
   42,565.50x = 68,584.50 × 68,584.50
4. Step 4: Simplify right side
   42,565.50x = 4,703,833,640.25
5. Step 5: Solve for x
   x = 4,703,833,640.25/42,565.50
6. Step 6: Final answer
   x = 110,508.13