Finding the Third Proportional to 662,480 and 1,429,864

Step by Step Solution

1. Step 1: Write the proportion equation
   662,480 : 1,429,864 = 1,429,864 : x
2. Step 2: Convert to fraction form
   662,480/1,429,864 = 1,429,864/x
3. Step 3: Cross multiply
   662,480x = 1,429,864 × 1,429,864
4. Step 4: Simplify right side
   662,480x = 2,044,511,058,496
5. Step 5: Solve for x
   x = 2,044,511,058,496/662,480
6. Step 6: Final answer
   x = 3,086,147.59