Finding the Third Proportional to 1,392,120 and 2,966,328

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392,120 : 2,966,328 = 2,966,328 : x
2. Step 2: Convert to fraction form
   1,392,120/2,966,328 = 2,966,328/x
3. Step 3: Cross multiply
   1,392,120x = 2,966,328 × 2,966,328
4. Step 4: Simplify right side
   1,392,120x = 8,799,101,803,584
5. Step 5: Solve for x
   x = 8,799,101,803,584/1,392,120
6. Step 6: Final answer
   x = 6,320,648.94