Finding the Third Proportional to 3,660,224 and 5,280,320

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,224 : 5,280,320 = 5,280,320 : x
2. Step 2: Convert to fraction form
   3,660,224/5,280,320 = 5,280,320/x
3. Step 3: Cross multiply
   3,660,224x = 5,280,320 × 5,280,320
4. Step 4: Simplify right side
   3,660,224x = 27,881,779,302,400
5. Step 5: Solve for x
   x = 27,881,779,302,400/3,660,224
6. Step 6: Final answer
   x = 7,617,506.28