Finding the Third Proportional to 15,390.75 and 33,242.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,390.75 : 33,242.50 = 33,242.50 : x
2. Step 2: Convert to fraction form
   15,390.75/33,242.50 = 33,242.50/x
3. Step 3: Cross multiply
   15,390.75x = 33,242.50 × 33,242.50
4. Step 4: Simplify right side
   15,390.75x = 1,105,063,806.25
5. Step 5: Solve for x
   x = 1,105,063,806.25/15,390.75
6. Step 6: Final answer
   x = 71,800.52