Finding the Third Proportional to 131,845.50 and 279,405

Step by Step Solution

1. Step 1: Write the proportion equation
   131,845.50 : 279,405 = 279,405 : x
2. Step 2: Convert to fraction form
   131,845.50/279,405 = 279,405/x
3. Step 3: Cross multiply
   131,845.50x = 279,405 × 279,405
4. Step 4: Simplify right side
   131,845.50x = 78,067,154,025
5. Step 5: Solve for x
   x = 78,067,154,025/131,845.50
6. Step 6: Final answer
   x = 592,110.87