Finding the Third Proportional to 2,808,120 and 5,476,272

Step by Step Solution

1. Step 1: Write the proportion equation
   2,808,120 : 5,476,272 = 5,476,272 : x
2. Step 2: Convert to fraction form
   2,808,120/5,476,272 = 5,476,272/x
3. Step 3: Cross multiply
   2,808,120x = 5,476,272 × 5,476,272
4. Step 4: Simplify right side
   2,808,120x = 29,989,555,017,984
5. Step 5: Solve for x
   x = 29,989,555,017,984/2,808,120
6. Step 6: Final answer
   x = 10,679,584.57