Finding the Third Proportional to 856,980 and 1,258,950

Step by Step Solution

1. Step 1: Write the proportion equation
   856,980 : 1,258,950 = 1,258,950 : x
2. Step 2: Convert to fraction form
   856,980/1,258,950 = 1,258,950/x
3. Step 3: Cross multiply
   856,980x = 1,258,950 × 1,258,950
4. Step 4: Simplify right side
   856,980x = 1,584,955,102,500
5. Step 5: Solve for x
   x = 1,584,955,102,500/856,980
6. Step 6: Final answer
   x = 1,849,465.68