Finding the Third Proportional to 3,660,210 and 5,280,339

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,210 : 5,280,339 = 5,280,339 : x
2. Step 2: Convert to fraction form
   3,660,210/5,280,339 = 5,280,339/x
3. Step 3: Cross multiply
   3,660,210x = 5,280,339 × 5,280,339
4. Step 4: Simplify right side
   3,660,210x = 27,881,979,954,921
5. Step 5: Solve for x
   x = 27,881,979,954,921/3,660,210
6. Step 6: Final answer
   x = 7,617,590.24