Finding the Third Proportional to 715,250 and 1,488,691

Step by Step Solution

1. Step 1: Write the proportion equation
   715,250 : 1,488,691 = 1,488,691 : x
2. Step 2: Convert to fraction form
   715,250/1,488,691 = 1,488,691/x
3. Step 3: Cross multiply
   715,250x = 1,488,691 × 1,488,691
4. Step 4: Simplify right side
   715,250x = 2,216,200,893,481
5. Step 5: Solve for x
   x = 2,216,200,893,481/715,250
6. Step 6: Final answer
   x = 3,098,498.28