Finding the Third Proportional to 5,632.50 and 8,619.75

Step by Step Solution

1. Step 1: Write the proportion equation
   5,632.50 : 8,619.75 = 8,619.75 : x
2. Step 2: Convert to fraction form
   5,632.50/8,619.75 = 8,619.75/x
3. Step 3: Cross multiply
   5,632.50x = 8,619.75 × 8,619.75
4. Step 4: Simplify right side
   5,632.50x = 74,300,090.06
5. Step 5: Solve for x
   x = 74,300,090.06/5,632.50
6. Step 6: Final answer
   x = 13,191.32