Finding the Third Proportional to 127,597.50 and 278,154

Step by Step Solution

1. Step 1: Write the proportion equation
   127,597.50 : 278,154 = 278,154 : x
2. Step 2: Convert to fraction form
   127,597.50/278,154 = 278,154/x
3. Step 3: Cross multiply
   127,597.50x = 278,154 × 278,154
4. Step 4: Simplify right side
   127,597.50x = 77,369,647,716
5. Step 5: Solve for x
   x = 77,369,647,716/127,597.50
6. Step 6: Final answer
   x = 606,357.08