Finding the Third Proportional to 1,038,866 and 2,268,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,038,866 : 2,268,388 = 2,268,388 : x
2. Step 2: Convert to fraction form
   1,038,866/2,268,388 = 2,268,388/x
3. Step 3: Cross multiply
   1,038,866x = 2,268,388 × 2,268,388
4. Step 4: Simplify right side
   1,038,866x = 5,145,584,118,544
5. Step 5: Solve for x
   x = 5,145,584,118,544/1,038,866
6. Step 6: Final answer
   x = 4,953,077.80