Finding the Third Proportional to 2,071,728 and 4,287,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,071,728 : 4,287,312 = 4,287,312 : x
2. Step 2: Convert to fraction form
   2,071,728/4,287,312 = 4,287,312/x
3. Step 3: Cross multiply
   2,071,728x = 4,287,312 × 4,287,312
4. Step 4: Simplify right side
   2,071,728x = 18,381,044,185,344
5. Step 5: Solve for x
   x = 18,381,044,185,344/2,071,728
6. Step 6: Final answer
   x = 8,872,325.03