Finding the Third Proportional to 725,122 and 1,555,166

Step by Step Solution

1. Step 1: Write the proportion equation
   725,122 : 1,555,166 = 1,555,166 : x
2. Step 2: Convert to fraction form
   725,122/1,555,166 = 1,555,166/x
3. Step 3: Cross multiply
   725,122x = 1,555,166 × 1,555,166
4. Step 4: Simplify right side
   725,122x = 2,418,541,287,556
5. Step 5: Solve for x
   x = 2,418,541,287,556/725,122
6. Step 6: Final answer
   x = 3,335,357.76