Finding the Third Proportional to 1,005,444 and 2,154,816

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,444 : 2,154,816 = 2,154,816 : x
2. Step 2: Convert to fraction form
   1,005,444/2,154,816 = 2,154,816/x
3. Step 3: Cross multiply
   1,005,444x = 2,154,816 × 2,154,816
4. Step 4: Simplify right side
   1,005,444x = 4,643,231,993,856
5. Step 5: Solve for x
   x = 4,643,231,993,856/1,005,444
6. Step 6: Final answer
   x = 4,618,091.11