Finding the Third Proportional to 278,046.75 and 607,062

Step by Step Solution

1. Step 1: Write the proportion equation
   278,046.75 : 607,062 = 607,062 : x
2. Step 2: Convert to fraction form
   278,046.75/607,062 = 607,062/x
3. Step 3: Cross multiply
   278,046.75x = 607,062 × 607,062
4. Step 4: Simplify right side
   278,046.75x = 368,524,271,844
5. Step 5: Solve for x
   x = 368,524,271,844/278,046.75
6. Step 6: Final answer
   x = 1,325,403.99