Finding the Third Proportional to 627,290 and 1,358,260

Step by Step Solution

1. Step 1: Write the proportion equation
   627,290 : 1,358,260 = 1,358,260 : x
2. Step 2: Convert to fraction form
   627,290/1,358,260 = 1,358,260/x
3. Step 3: Cross multiply
   627,290x = 1,358,260 × 1,358,260
4. Step 4: Simplify right side
   627,290x = 1,844,870,227,600
5. Step 5: Solve for x
   x = 1,844,870,227,600/627,290
6. Step 6: Final answer
   x = 2,941,016.48