Finding the Third Proportional to 3,465,220 and 5,197,830

Step by Step Solution

1. Step 1: Write the proportion equation
   3,465,220 : 5,197,830 = 5,197,830 : x
2. Step 2: Convert to fraction form
   3,465,220/5,197,830 = 5,197,830/x
3. Step 3: Cross multiply
   3,465,220x = 5,197,830 × 5,197,830
4. Step 4: Simplify right side
   3,465,220x = 27,017,436,708,900
5. Step 5: Solve for x
   x = 27,017,436,708,900/3,465,220
6. Step 6: Final answer
   x = 7,796,745