Finding the Third Proportional to 12,160.13 and 28,402.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,160.13 : 28,402.31 = 28,402.31 : x
2. Step 2: Convert to fraction form
   12,160.13/28,402.31 = 28,402.31/x
3. Step 3: Cross multiply
   12,160.13x = 28,402.31 × 28,402.31
4. Step 4: Simplify right side
   12,160.13x = 806,691,355.35
5. Step 5: Solve for x
   x = 806,691,355.35/12,160.13
6. Step 6: Final answer
   x = 66,339.07