Finding the Third Proportional to 662,472 and 1,429,920

Step by Step Solution

1. Step 1: Write the proportion equation
   662,472 : 1,429,920 = 1,429,920 : x
2. Step 2: Convert to fraction form
   662,472/1,429,920 = 1,429,920/x
3. Step 3: Cross multiply
   662,472x = 1,429,920 × 1,429,920
4. Step 4: Simplify right side
   662,472x = 2,044,671,206,400
5. Step 5: Solve for x
   x = 2,044,671,206,400/662,472
6. Step 6: Final answer
   x = 3,086,426.61