Finding the Third Proportional to 715,248 and 1,488,687

Step by Step Solution

1. Step 1: Write the proportion equation
   715,248 : 1,488,687 = 1,488,687 : x
2. Step 2: Convert to fraction form
   715,248/1,488,687 = 1,488,687/x
3. Step 3: Cross multiply
   715,248x = 1,488,687 × 1,488,687
4. Step 4: Simplify right side
   715,248x = 2,216,188,983,969
5. Step 5: Solve for x
   x = 2,216,188,983,969/715,248
6. Step 6: Final answer
   x = 3,098,490.29