Finding the Third Proportional to 10,061.50 and 15,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.50 : 15,119.50 = 15,119.50 : x
2. Step 2: Convert to fraction form
   10,061.50/15,119.50 = 15,119.50/x
3. Step 3: Cross multiply
   10,061.50x = 15,119.50 × 15,119.50
4. Step 4: Simplify right side
   10,061.50x = 228,599,280.25
5. Step 5: Solve for x
   x = 228,599,280.25/10,061.50
6. Step 6: Final answer
   x = 22,720.20