Finding the Third Proportional to 1,331,222 and 2,872,396

Step by Step Solution

1. Step 1: Write the proportion equation
   1,331,222 : 2,872,396 = 2,872,396 : x
2. Step 2: Convert to fraction form
   1,331,222/2,872,396 = 2,872,396/x
3. Step 3: Cross multiply
   1,331,222x = 2,872,396 × 2,872,396
4. Step 4: Simplify right side
   1,331,222x = 8,250,658,780,816
5. Step 5: Solve for x
   x = 8,250,658,780,816/1,331,222
6. Step 6: Final answer
   x = 6,197,808.32