Finding the Third Proportional to 792,178 and 1,649,636

Step by Step Solution

1. Step 1: Write the proportion equation
   792,178 : 1,649,636 = 1,649,636 : x
2. Step 2: Convert to fraction form
   792,178/1,649,636 = 1,649,636/x
3. Step 3: Cross multiply
   792,178x = 1,649,636 × 1,649,636
4. Step 4: Simplify right side
   792,178x = 2,721,298,932,496
5. Step 5: Solve for x
   x = 2,721,298,932,496/792,178
6. Step 6: Final answer
   x = 3,435,211.45