Finding the Third Proportional to 15,619.50 and 23,143.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,619.50 : 23,143.50 = 23,143.50 : x
2. Step 2: Convert to fraction form
   15,619.50/23,143.50 = 23,143.50/x
3. Step 3: Cross multiply
   15,619.50x = 23,143.50 × 23,143.50
4. Step 4: Simplify right side
   15,619.50x = 535,621,592.25
5. Step 5: Solve for x
   x = 535,621,592.25/15,619.50
6. Step 6: Final answer
   x = 34,291.85