Finding the Third Proportional to 3,601,272 and 7,800,420

Step by Step Solution

1. Step 1: Write the proportion equation
   3,601,272 : 7,800,420 = 7,800,420 : x
2. Step 2: Convert to fraction form
   3,601,272/7,800,420 = 7,800,420/x
3. Step 3: Cross multiply
   3,601,272x = 7,800,420 × 7,800,420
4. Step 4: Simplify right side
   3,601,272x = 60,846,552,176,400
5. Step 5: Solve for x
   x = 60,846,552,176,400/3,601,272
6. Step 6: Final answer
   x = 16,895,850.18