Finding the Third Proportional to 3,669,120 and 7,782,272

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,120 : 7,782,272 = 7,782,272 : x
2. Step 2: Convert to fraction form
   3,669,120/7,782,272 = 7,782,272/x
3. Step 3: Cross multiply
   3,669,120x = 7,782,272 × 7,782,272
4. Step 4: Simplify right side
   3,669,120x = 60,563,757,481,984
5. Step 5: Solve for x
   x = 60,563,757,481,984/3,669,120
6. Step 6: Final answer
   x = 16,506,344.16