Finding the Third Proportional to 1,655,920 and 3,621,792

Step by Step Solution

1. Step 1: Write the proportion equation
   1,655,920 : 3,621,792 = 3,621,792 : x
2. Step 2: Convert to fraction form
   1,655,920/3,621,792 = 3,621,792/x
3. Step 3: Cross multiply
   1,655,920x = 3,621,792 × 3,621,792
4. Step 4: Simplify right side
   1,655,920x = 13,117,377,291,264
5. Step 5: Solve for x
   x = 13,117,377,291,264/1,655,920
6. Step 6: Final answer
   x = 7,921,504.23