Finding the Third Proportional to 1,268,804 and 1,868,158

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,804 : 1,868,158 = 1,868,158 : x
2. Step 2: Convert to fraction form
   1,268,804/1,868,158 = 1,868,158/x
3. Step 3: Cross multiply
   1,268,804x = 1,868,158 × 1,868,158
4. Step 4: Simplify right side
   1,268,804x = 3,490,014,312,964
5. Step 5: Solve for x
   x = 3,490,014,312,964/1,268,804
6. Step 6: Final answer
   x = 2,750,633.13