Finding the Third Proportional to 131,068.50 and 279,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,068.50 : 279,301.50 = 279,301.50 : x
2. Step 2: Convert to fraction form
   131,068.50/279,301.50 = 279,301.50/x
3. Step 3: Cross multiply
   131,068.50x = 279,301.50 × 279,301.50
4. Step 4: Simplify right side
   131,068.50x = 78,009,327,902.25
5. Step 5: Solve for x
   x = 78,009,327,902.25/131,068.50
6. Step 6: Final answer
   x = 595,179.83