Finding the Third Proportional to 1,948,728 and 4,251,588

Step by Step Solution

1. Step 1: Write the proportion equation
   1,948,728 : 4,251,588 = 4,251,588 : x
2. Step 2: Convert to fraction form
   1,948,728/4,251,588 = 4,251,588/x
3. Step 3: Cross multiply
   1,948,728x = 4,251,588 × 4,251,588
4. Step 4: Simplify right side
   1,948,728x = 18,076,000,521,744
5. Step 5: Solve for x
   x = 18,076,000,521,744/1,948,728
6. Step 6: Final answer
   x = 9,275,794.53