Finding the Third Proportional to 717,609 and 1,538,250

Step by Step Solution

1. Step 1: Write the proportion equation
   717,609 : 1,538,250 = 1,538,250 : x
2. Step 2: Convert to fraction form
   717,609/1,538,250 = 1,538,250/x
3. Step 3: Cross multiply
   717,609x = 1,538,250 × 1,538,250
4. Step 4: Simplify right side
   717,609x = 2,366,213,062,500
5. Step 5: Solve for x
   x = 2,366,213,062,500/717,609
6. Step 6: Final answer
   x = 3,297,357.00