Finding the Third Proportional to 714,917 and 1,488,640

Step by Step Solution

1. Step 1: Write the proportion equation
   714,917 : 1,488,640 = 1,488,640 : x
2. Step 2: Convert to fraction form
   714,917/1,488,640 = 1,488,640/x
3. Step 3: Cross multiply
   714,917x = 1,488,640 × 1,488,640
4. Step 4: Simplify right side
   714,917x = 2,216,049,049,600
5. Step 5: Solve for x
   x = 2,216,049,049,600/714,917
6. Step 6: Final answer
   x = 3,099,729.13