Finding the Third Proportional to 82,247.75 and 123,979.69

Step by Step Solution

1. Step 1: Write the proportion equation
   82,247.75 : 123,979.69 = 123,979.69 : x
2. Step 2: Convert to fraction form
   82,247.75/123,979.69 = 123,979.69/x
3. Step 3: Cross multiply
   82,247.75x = 123,979.69 × 123,979.69
4. Step 4: Simplify right side
   82,247.75x = 15,370,962,912.60
5. Step 5: Solve for x
   x = 15,370,962,912.60/82,247.75
6. Step 6: Final answer
   x = 186,886.12