Finding the Third Proportional to 123,340.50 and 269,748

Step by Step Solution

1. Step 1: Write the proportion equation
   123,340.50 : 269,748 = 269,748 : x
2. Step 2: Convert to fraction form
   123,340.50/269,748 = 269,748/x
3. Step 3: Cross multiply
   123,340.50x = 269,748 × 269,748
4. Step 4: Simplify right side
   123,340.50x = 72,763,983,504
5. Step 5: Solve for x
   x = 72,763,983,504/123,340.50
6. Step 6: Final answer
   x = 589,943.96