Finding the Third Proportional to 131,676 and 279,038.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,676 : 279,038.50 = 279,038.50 : x
2. Step 2: Convert to fraction form
   131,676/279,038.50 = 279,038.50/x
3. Step 3: Cross multiply
   131,676x = 279,038.50 × 279,038.50
4. Step 4: Simplify right side
   131,676x = 77,862,484,482.25
5. Step 5: Solve for x
   x = 77,862,484,482.25/131,676
6. Step 6: Final answer
   x = 591,318.73