Finding the Third Proportional to 9,139.50 and 15,190.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,139.50 : 15,190.88 = 15,190.88 : x
2. Step 2: Convert to fraction form
   9,139.50/15,190.88 = 15,190.88/x
3. Step 3: Cross multiply
   9,139.50x = 15,190.88 × 15,190.88
4. Step 4: Simplify right side
   9,139.50x = 230,762,683.27
5. Step 5: Solve for x
   x = 230,762,683.27/9,139.50
6. Step 6: Final answer
   x = 25,248.94