Finding the Third Proportional to 127,926 and 278,748

Step by Step Solution

1. Step 1: Write the proportion equation
   127,926 : 278,748 = 278,748 : x
2. Step 2: Convert to fraction form
   127,926/278,748 = 278,748/x
3. Step 3: Cross multiply
   127,926x = 278,748 × 278,748
4. Step 4: Simplify right side
   127,926x = 77,700,447,504
5. Step 5: Solve for x
   x = 77,700,447,504/127,926
6. Step 6: Final answer
   x = 607,385.89