Finding the Third Proportional to 725,130 and 1,555,200

Step by Step Solution

1. Step 1: Write the proportion equation
   725,130 : 1,555,200 = 1,555,200 : x
2. Step 2: Convert to fraction form
   725,130/1,555,200 = 1,555,200/x
3. Step 3: Cross multiply
   725,130x = 1,555,200 × 1,555,200
4. Step 4: Simplify right side
   725,130x = 2,418,647,040,000
5. Step 5: Solve for x
   x = 2,418,647,040,000/725,130
6. Step 6: Final answer
   x = 3,335,466.80