Finding the Third Proportional to 82,786.50 and 131,145.75

Step by Step Solution

1. Step 1: Write the proportion equation
   82,786.50 : 131,145.75 = 131,145.75 : x
2. Step 2: Convert to fraction form
   82,786.50/131,145.75 = 131,145.75/x
3. Step 3: Cross multiply
   82,786.50x = 131,145.75 × 131,145.75
4. Step 4: Simplify right side
   82,786.50x = 17,199,207,743.06
5. Step 5: Solve for x
   x = 17,199,207,743.06/82,786.50
6. Step 6: Final answer
   x = 207,753.77