Finding the Third Proportional to 992,948 and 2,143,315

Step by Step Solution

1. Step 1: Write the proportion equation
   992,948 : 2,143,315 = 2,143,315 : x
2. Step 2: Convert to fraction form
   992,948/2,143,315 = 2,143,315/x
3. Step 3: Cross multiply
   992,948x = 2,143,315 × 2,143,315
4. Step 4: Simplify right side
   992,948x = 4,593,799,189,225
5. Step 5: Solve for x
   x = 4,593,799,189,225/992,948
6. Step 6: Final answer
   x = 4,626,424.74