Finding the Third Proportional to 688,544 and 1,491,472

Step by Step Solution

1. Step 1: Write the proportion equation
   688,544 : 1,491,472 = 1,491,472 : x
2. Step 2: Convert to fraction form
   688,544/1,491,472 = 1,491,472/x
3. Step 3: Cross multiply
   688,544x = 1,491,472 × 1,491,472
4. Step 4: Simplify right side
   688,544x = 2,224,488,726,784
5. Step 5: Solve for x
   x = 2,224,488,726,784/688,544
6. Step 6: Final answer
   x = 3,230,713.98