Finding the Third Proportional to 127,543.75 and 278,052

Step by Step Solution

1. Step 1: Write the proportion equation
   127,543.75 : 278,052 = 278,052 : x
2. Step 2: Convert to fraction form
   127,543.75/278,052 = 278,052/x
3. Step 3: Cross multiply
   127,543.75x = 278,052 × 278,052
4. Step 4: Simplify right side
   127,543.75x = 77,312,914,704
5. Step 5: Solve for x
   x = 77,312,914,704/127,543.75
6. Step 6: Final answer
   x = 606,167.80