Finding the Third Proportional to 992,658 and 2,174,372

Step by Step Solution

1. Step 1: Write the proportion equation
   992,658 : 2,174,372 = 2,174,372 : x
2. Step 2: Convert to fraction form
   992,658/2,174,372 = 2,174,372/x
3. Step 3: Cross multiply
   992,658x = 2,174,372 × 2,174,372
4. Step 4: Simplify right side
   992,658x = 4,727,893,594,384
5. Step 5: Solve for x
   x = 4,727,893,594,384/992,658
6. Step 6: Final answer
   x = 4,762,862.53