Finding the Third Proportional to 714,915 and 1,488,636

Step by Step Solution

1. Step 1: Write the proportion equation
   714,915 : 1,488,636 = 1,488,636 : x
2. Step 2: Convert to fraction form
   714,915/1,488,636 = 1,488,636/x
3. Step 3: Cross multiply
   714,915x = 1,488,636 × 1,488,636
4. Step 4: Simplify right side
   714,915x = 2,216,037,140,496
5. Step 5: Solve for x
   x = 2,216,037,140,496/714,915
6. Step 6: Final answer
   x = 3,099,721.14