Finding the Third Proportional to 1,334,643 and 2,879,238

Step by Step Solution

1. Step 1: Write the proportion equation
   1,334,643 : 2,879,238 = 2,879,238 : x
2. Step 2: Convert to fraction form
   1,334,643/2,879,238 = 2,879,238/x
3. Step 3: Cross multiply
   1,334,643x = 2,879,238 × 2,879,238
4. Step 4: Simplify right side
   1,334,643x = 8,290,011,460,644
5. Step 5: Solve for x
   x = 8,290,011,460,644/1,334,643
6. Step 6: Final answer
   x = 6,211,407.44