Finding the Third Proportional to 725,486 and 1,555,804

Step by Step Solution

1. Step 1: Write the proportion equation
   725,486 : 1,555,804 = 1,555,804 : x
2. Step 2: Convert to fraction form
   725,486/1,555,804 = 1,555,804/x
3. Step 3: Cross multiply
   725,486x = 1,555,804 × 1,555,804
4. Step 4: Simplify right side
   725,486x = 2,420,526,086,416
5. Step 5: Solve for x
   x = 2,420,526,086,416/725,486
6. Step 6: Final answer
   x = 3,336,420.12