Finding the Third Proportional to 1,808,828 and 2,879,292

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808,828 : 2,879,292 = 2,879,292 : x
2. Step 2: Convert to fraction form
   1,808,828/2,879,292 = 2,879,292/x
3. Step 3: Cross multiply
   1,808,828x = 2,879,292 × 2,879,292
4. Step 4: Simplify right side
   1,808,828x = 8,290,322,421,264
5. Step 5: Solve for x
   x = 8,290,322,421,264/1,808,828
6. Step 6: Final answer
   x = 4,583,256.35