Finding the Third Proportional to 606,195 and 1,276,290

Step by Step Solution

1. Step 1: Write the proportion equation
   606,195 : 1,276,290 = 1,276,290 : x
2. Step 2: Convert to fraction form
   606,195/1,276,290 = 1,276,290/x
3. Step 3: Cross multiply
   606,195x = 1,276,290 × 1,276,290
4. Step 4: Simplify right side
   606,195x = 1,628,916,164,100
5. Step 5: Solve for x
   x = 1,628,916,164,100/606,195
6. Step 6: Final answer
   x = 2,687,115.80