Finding the Third Proportional to 615,008 and 1,337,720

Step by Step Solution

1. Step 1: Write the proportion equation
   615,008 : 1,337,720 = 1,337,720 : x
2. Step 2: Convert to fraction form
   615,008/1,337,720 = 1,337,720/x
3. Step 3: Cross multiply
   615,008x = 1,337,720 × 1,337,720
4. Step 4: Simplify right side
   615,008x = 1,789,494,798,400
5. Step 5: Solve for x
   x = 1,789,494,798,400/615,008
6. Step 6: Final answer
   x = 2,909,709.79