Finding the Third Proportional to 278,064.75 and 607,098

Step by Step Solution

1. Step 1: Write the proportion equation
   278,064.75 : 607,098 = 607,098 : x
2. Step 2: Convert to fraction form
   278,064.75/607,098 = 607,098/x
3. Step 3: Cross multiply
   278,064.75x = 607,098 × 607,098
4. Step 4: Simplify right side
   278,064.75x = 368,567,981,604
5. Step 5: Solve for x
   x = 368,567,981,604/278,064.75
6. Step 6: Final answer
   x = 1,325,475.39