Finding the Third Proportional to 56,693 and 123,748

Step by Step Solution

1. Step 1: Write the proportion equation
   56,693 : 123,748 = 123,748 : x
2. Step 2: Convert to fraction form
   56,693/123,748 = 123,748/x
3. Step 3: Cross multiply
   56,693x = 123,748 × 123,748
4. Step 4: Simplify right side
   56,693x = 15,313,567,504
5. Step 5: Solve for x
   x = 15,313,567,504/56,693
6. Step 6: Final answer
   x = 270,113.90