Finding the Third Proportional to 1,005,435 and 2,154,798

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,435 : 2,154,798 = 2,154,798 : x
2. Step 2: Convert to fraction form
   1,005,435/2,154,798 = 2,154,798/x
3. Step 3: Cross multiply
   1,005,435x = 2,154,798 × 2,154,798
4. Step 4: Simplify right side
   1,005,435x = 4,643,154,420,804
5. Step 5: Solve for x
   x = 4,643,154,420,804/1,005,435
6. Step 6: Final answer
   x = 4,618,055.29