Finding the Third Proportional to 79,753.50 and 123,399

Step by Step Solution

1. Step 1: Write the proportion equation
   79,753.50 : 123,399 = 123,399 : x
2. Step 2: Convert to fraction form
   79,753.50/123,399 = 123,399/x
3. Step 3: Cross multiply
   79,753.50x = 123,399 × 123,399
4. Step 4: Simplify right side
   79,753.50x = 15,227,313,201
5. Step 5: Solve for x
   x = 15,227,313,201/79,753.50
6. Step 6: Final answer
   x = 190,929.72