Finding the Third Proportional to 12,513.31 and 20,125.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,513.31 : 20,125.10 = 20,125.10 : x
2. Step 2: Convert to fraction form
   12,513.31/20,125.10 = 20,125.10/x
3. Step 3: Cross multiply
   12,513.31x = 20,125.10 × 20,125.10
4. Step 4: Simplify right side
   12,513.31x = 405,019,594.98
5. Step 5: Solve for x
   x = 405,019,594.98/12,513.31
6. Step 6: Final answer
   x = 32,367.09