Finding the Third Proportional to 715,244 and 1,488,679

Step by Step Solution

1. Step 1: Write the proportion equation
   715,244 : 1,488,679 = 1,488,679 : x
2. Step 2: Convert to fraction form
   715,244/1,488,679 = 1,488,679/x
3. Step 3: Cross multiply
   715,244x = 1,488,679 × 1,488,679
4. Step 4: Simplify right side
   715,244x = 2,216,165,165,041
5. Step 5: Solve for x
   x = 2,216,165,165,041/715,244
6. Step 6: Final answer
   x = 3,098,474.32