Finding the Third Proportional to 1,022,808 and 2,153,448

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022,808 : 2,153,448 = 2,153,448 : x
2. Step 2: Convert to fraction form
   1,022,808/2,153,448 = 2,153,448/x
3. Step 3: Cross multiply
   1,022,808x = 2,153,448 × 2,153,448
4. Step 4: Simplify right side
   1,022,808x = 4,637,338,288,704
5. Step 5: Solve for x
   x = 4,637,338,288,704/1,022,808
6. Step 6: Final answer
   x = 4,533,928.45