Finding the Third Proportional to 43,301.25 and 67,686.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,301.25 : 67,686.75 = 67,686.75 : x
2. Step 2: Convert to fraction form
   43,301.25/67,686.75 = 67,686.75/x
3. Step 3: Cross multiply
   43,301.25x = 67,686.75 × 67,686.75
4. Step 4: Simplify right side
   43,301.25x = 4,581,496,125.56
5. Step 5: Solve for x
   x = 4,581,496,125.56/43,301.25
6. Step 6: Final answer
   x = 105,805.17