Finding the Third Proportional to 43,391.25 and 90,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,391.25 : 90,238.50 = 90,238.50 : x
2. Step 2: Convert to fraction form
   43,391.25/90,238.50 = 90,238.50/x
3. Step 3: Cross multiply
   43,391.25x = 90,238.50 × 90,238.50
4. Step 4: Simplify right side
   43,391.25x = 8,142,986,882.25
5. Step 5: Solve for x
   x = 8,142,986,882.25/43,391.25
6. Step 6: Final answer
   x = 187,664.26