Finding the Third Proportional to 11,790.38 and 25,590.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,790.38 : 25,590.56 = 25,590.56 : x
2. Step 2: Convert to fraction form
   11,790.38/25,590.56 = 25,590.56/x
3. Step 3: Cross multiply
   11,790.38x = 25,590.56 × 25,590.56
4. Step 4: Simplify right side
   11,790.38x = 654,876,889.07
5. Step 5: Solve for x
   x = 654,876,889.07/11,790.38
6. Step 6: Final answer
   x = 55,543.35