Finding the Third Proportional to 12,013.31 and 25,590.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,013.31 : 25,590.09 = 25,590.09 : x
2. Step 2: Convert to fraction form
   12,013.31/25,590.09 = 25,590.09/x
3. Step 3: Cross multiply
   12,013.31x = 25,590.09 × 25,590.09
4. Step 4: Simplify right side
   12,013.31x = 654,852,898.13
5. Step 5: Solve for x
   x = 654,852,898.13/12,013.31
6. Step 6: Final answer
   x = 54,510.60