Finding the Third Proportional to 725,132 and 1,555,240

Step by Step Solution

1. Step 1: Write the proportion equation
   725,132 : 1,555,240 = 1,555,240 : x
2. Step 2: Convert to fraction form
   725,132/1,555,240 = 1,555,240/x
3. Step 3: Cross multiply
   725,132x = 1,555,240 × 1,555,240
4. Step 4: Simplify right side
   725,132x = 2,418,771,457,600
5. Step 5: Solve for x
   x = 2,418,771,457,600/725,132
6. Step 6: Final answer
   x = 3,335,629.18