Finding the Third Proportional to 12,585.38 and 26,665.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,585.38 : 26,665.88 = 26,665.88 : x
2. Step 2: Convert to fraction form
   12,585.38/26,665.88 = 26,665.88/x
3. Step 3: Cross multiply
   12,585.38x = 26,665.88 × 26,665.88
4. Step 4: Simplify right side
   12,585.38x = 711,068,889.52
5. Step 5: Solve for x
   x = 711,068,889.52/12,585.38
6. Step 6: Final answer
   x = 56,499.62