Finding the Third Proportional to 10,429.59 and 15,250.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,429.59 : 15,250.78 = 15,250.78 : x
2. Step 2: Convert to fraction form
   10,429.59/15,250.78 = 15,250.78/x
3. Step 3: Cross multiply
   10,429.59x = 15,250.78 × 15,250.78
4. Step 4: Simplify right side
   10,429.59x = 232,586,328.74
5. Step 5: Solve for x
   x = 232,586,328.74/10,429.59
6. Step 6: Final answer
   x = 22,300.61