Finding the Third Proportional to 992,957 and 2,121,466

Step by Step Solution

1. Step 1: Write the proportion equation
   992,957 : 2,121,466 = 2,121,466 : x
2. Step 2: Convert to fraction form
   992,957/2,121,466 = 2,121,466/x
3. Step 3: Cross multiply
   992,957x = 2,121,466 × 2,121,466
4. Step 4: Simplify right side
   992,957x = 4,500,617,989,156
5. Step 5: Solve for x
   x = 4,500,617,989,156/992,957
6. Step 6: Final answer
   x = 4,532,540.67