Finding the Third Proportional to 864,552 and 1,862,268

Step by Step Solution

1. Step 1: Write the proportion equation
   864,552 : 1,862,268 = 1,862,268 : x
2. Step 2: Convert to fraction form
   864,552/1,862,268 = 1,862,268/x
3. Step 3: Cross multiply
   864,552x = 1,862,268 × 1,862,268
4. Step 4: Simplify right side
   864,552x = 3,468,042,103,824
5. Step 5: Solve for x
   x = 3,468,042,103,824/864,552
6. Step 6: Final answer
   x = 4,011,374.80