Finding the Third Proportional to 614,716 and 1,259,780

Step by Step Solution

1. Step 1: Write the proportion equation
   614,716 : 1,259,780 = 1,259,780 : x
2. Step 2: Convert to fraction form
   614,716/1,259,780 = 1,259,780/x
3. Step 3: Cross multiply
   614,716x = 1,259,780 × 1,259,780
4. Step 4: Simplify right side
   614,716x = 1,587,045,648,400
5. Step 5: Solve for x
   x = 1,587,045,648,400/614,716
6. Step 6: Final answer
   x = 2,581,754.25