Finding the Third Proportional to 839,066 and 1,258,585

Step by Step Solution

1. Step 1: Write the proportion equation
   839,066 : 1,258,585 = 1,258,585 : x
2. Step 2: Convert to fraction form
   839,066/1,258,585 = 1,258,585/x
3. Step 3: Cross multiply
   839,066x = 1,258,585 × 1,258,585
4. Step 4: Simplify right side
   839,066x = 1,584,036,202,225
5. Step 5: Solve for x
   x = 1,584,036,202,225/839,066
6. Step 6: Final answer
   x = 1,887,856.50