Finding the Third Proportional to 7,820,390 and 16,355,824

Step by Step Solution

1. Step 1: Write the proportion equation
   7,820,390 : 16,355,824 = 16,355,824 : x
2. Step 2: Convert to fraction form
   7,820,390/16,355,824 = 16,355,824/x
3. Step 3: Cross multiply
   7,820,390x = 16,355,824 × 16,355,824
4. Step 4: Simplify right side
   7,820,390x = 267,512,978,718,976
5. Step 5: Solve for x
   x = 267,512,978,718,976/7,820,390
6. Step 6: Final answer
   x = 34,207,114.83