Finding the Third Proportional to 82,247.63 and 123,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,247.63 : 123,979.50 = 123,979.50 : x
2. Step 2: Convert to fraction form
   82,247.63/123,979.50 = 123,979.50/x
3. Step 3: Cross multiply
   82,247.63x = 123,979.50 × 123,979.50
4. Step 4: Simplify right side
   82,247.63x = 15,370,916,420.25
5. Step 5: Solve for x
   x = 15,370,916,420.25/82,247.63
6. Step 6: Final answer
   x = 186,885.84