Finding the Third Proportional to 1,268,802 and 1,868,157

Step by Step Solution

1. Step 1: Write the proportion equation
   1,268,802 : 1,868,157 = 1,868,157 : x
2. Step 2: Convert to fraction form
   1,268,802/1,868,157 = 1,868,157/x
3. Step 3: Cross multiply
   1,268,802x = 1,868,157 × 1,868,157
4. Step 4: Simplify right side
   1,268,802x = 3,490,010,576,649
5. Step 5: Solve for x
   x = 3,490,010,576,649/1,268,802
6. Step 6: Final answer
   x = 2,750,634.52