Finding the Third Proportional to 13,207.50 and 20,620.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,207.50 : 20,620.13 = 20,620.13 : x
2. Step 2: Convert to fraction form
   13,207.50/20,620.13 = 20,620.13/x
3. Step 3: Cross multiply
   13,207.50x = 20,620.13 × 20,620.13
4. Step 4: Simplify right side
   13,207.50x = 425,189,555.02
5. Step 5: Solve for x
   x = 425,189,555.02/13,207.50
6. Step 6: Final answer
   x = 32,193.04