Finding the Third Proportional to 1,011,858 and 2,154,804

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,858 : 2,154,804 = 2,154,804 : x
2. Step 2: Convert to fraction form
   1,011,858/2,154,804 = 2,154,804/x
3. Step 3: Cross multiply
   1,011,858x = 2,154,804 × 2,154,804
4. Step 4: Simplify right side
   1,011,858x = 4,643,180,278,416
5. Step 5: Solve for x
   x = 4,643,180,278,416/1,011,858
6. Step 6: Final answer
   x = 4,588,766.68