Finding the Third Proportional to 610,443 and 1,322,580

Step by Step Solution

1. Step 1: Write the proportion equation
   610,443 : 1,322,580 = 1,322,580 : x
2. Step 2: Convert to fraction form
   610,443/1,322,580 = 1,322,580/x
3. Step 3: Cross multiply
   610,443x = 1,322,580 × 1,322,580
4. Step 4: Simplify right side
   610,443x = 1,749,217,856,400
5. Step 5: Solve for x
   x = 1,749,217,856,400/610,443
6. Step 6: Final answer
   x = 2,865,489.25