Finding the Third Proportional to 12,150.75 and 15,526.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,150.75 : 15,526.13 = 15,526.13 : x
2. Step 2: Convert to fraction form
   12,150.75/15,526.13 = 15,526.13/x
3. Step 3: Cross multiply
   12,150.75x = 15,526.13 × 15,526.13
4. Step 4: Simplify right side
   12,150.75x = 241,060,557.52
5. Step 5: Solve for x
   x = 241,060,557.52/12,150.75
6. Step 6: Final answer
   x = 19,839.15