Finding the Third Proportional to 11,688.05 and 25,375.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,688.05 : 25,375.15 = 25,375.15 : x
2. Step 2: Convert to fraction form
   11,688.05/25,375.15 = 25,375.15/x
3. Step 3: Cross multiply
   11,688.05x = 25,375.15 × 25,375.15
4. Step 4: Simplify right side
   11,688.05x = 643,898,158.23
5. Step 5: Solve for x
   x = 643,898,158.23/11,688.05
6. Step 6: Final answer
   x = 55,090.31