Finding the Third Proportional to 715,264 and 1,488,720

Step by Step Solution

1. Step 1: Write the proportion equation
   715,264 : 1,488,720 = 1,488,720 : x
2. Step 2: Convert to fraction form
   715,264/1,488,720 = 1,488,720/x
3. Step 3: Cross multiply
   715,264x = 1,488,720 × 1,488,720
4. Step 4: Simplify right side
   715,264x = 2,216,287,238,400
5. Step 5: Solve for x
   x = 2,216,287,238,400/715,264
6. Step 6: Final answer
   x = 3,098,558.35