Finding the Third Proportional to 131,049.14 and 286,629.89

Step by Step Solution

1. Step 1: Write the proportion equation
   131,049.14 : 286,629.89 = 286,629.89 : x
2. Step 2: Convert to fraction form
   131,049.14/286,629.89 = 286,629.89/x
3. Step 3: Cross multiply
   131,049.14x = 286,629.89 × 286,629.89
4. Step 4: Simplify right side
   131,049.14x = 82,156,694,199.70
5. Step 5: Solve for x
   x = 82,156,694,199.70/131,049.14
6. Step 6: Final answer
   x = 626,915.17