Finding the Third Proportional to 131,665.50 and 283,314.38

Step by Step Solution

1. Step 1: Write the proportion equation
   131,665.50 : 283,314.38 = 283,314.38 : x
2. Step 2: Convert to fraction form
   131,665.50/283,314.38 = 283,314.38/x
3. Step 3: Cross multiply
   131,665.50x = 283,314.38 × 283,314.38
4. Step 4: Simplify right side
   131,665.50x = 80,267,035,081.64
5. Step 5: Solve for x
   x = 80,267,035,081.64/131,665.50
6. Step 6: Final answer
   x = 609,628.45