Finding the Third Proportional to 633,856 and 1,392,128

Step by Step Solution

1. Step 1: Write the proportion equation
   633,856 : 1,392,128 = 1,392,128 : x
2. Step 2: Convert to fraction form
   633,856/1,392,128 = 1,392,128/x
3. Step 3: Cross multiply
   633,856x = 1,392,128 × 1,392,128
4. Step 4: Simplify right side
   633,856x = 1,938,020,368,384
5. Step 5: Solve for x
   x = 1,938,020,368,384/633,856
6. Step 6: Final answer
   x = 3,057,508.91