Finding the Third Proportional to 1,471,920 and 2,192,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471,920 : 2,192,328 = 2,192,328 : x
2. Step 2: Convert to fraction form
   1,471,920/2,192,328 = 2,192,328/x
3. Step 3: Cross multiply
   1,471,920x = 2,192,328 × 2,192,328
4. Step 4: Simplify right side
   1,471,920x = 4,806,302,059,584
5. Step 5: Solve for x
   x = 4,806,302,059,584/1,471,920
6. Step 6: Final answer
   x = 3,265,328.32