Finding the Third Proportional to 10,061.50 and 15,259.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.50 : 15,259.50 = 15,259.50 : x
2. Step 2: Convert to fraction form
   10,061.50/15,259.50 = 15,259.50/x
3. Step 3: Cross multiply
   10,061.50x = 15,259.50 × 15,259.50
4. Step 4: Simplify right side
   10,061.50x = 232,852,340.25
5. Step 5: Solve for x
   x = 232,852,340.25/10,061.50
6. Step 6: Final answer
   x = 23,142.91