Finding the Third Proportional to 1,812,336 and 2,879,220

Step by Step Solution

1. Step 1: Write the proportion equation
   1,812,336 : 2,879,220 = 2,879,220 : x
2. Step 2: Convert to fraction form
   1,812,336/2,879,220 = 2,879,220/x
3. Step 3: Cross multiply
   1,812,336x = 2,879,220 × 2,879,220
4. Step 4: Simplify right side
   1,812,336x = 8,289,907,808,400
5. Step 5: Solve for x
   x = 8,289,907,808,400/1,812,336
6. Step 6: Final answer
   x = 4,574,156.12