Finding the Third Proportional to 725,124 and 1,555,170

Step by Step Solution

1. Step 1: Write the proportion equation
   725,124 : 1,555,170 = 1,555,170 : x
2. Step 2: Convert to fraction form
   725,124/1,555,170 = 1,555,170/x
3. Step 3: Cross multiply
   725,124x = 1,555,170 × 1,555,170
4. Step 4: Simplify right side
   725,124x = 2,418,553,728,900
5. Step 5: Solve for x
   x = 2,418,553,728,900/725,124
6. Step 6: Final answer
   x = 3,335,365.72