Finding the Third Proportional to 82,191.50 and 123,759.75

Step by Step Solution

1. Step 1: Write the proportion equation
   82,191.50 : 123,759.75 = 123,759.75 : x
2. Step 2: Convert to fraction form
   82,191.50/123,759.75 = 123,759.75/x
3. Step 3: Cross multiply
   82,191.50x = 123,759.75 × 123,759.75
4. Step 4: Simplify right side
   82,191.50x = 15,316,475,720.06
5. Step 5: Solve for x
   x = 15,316,475,720.06/82,191.50
6. Step 6: Final answer
   x = 186,351.09