Finding the Third Proportional to 3,660,254 and 5,280,365

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,254 : 5,280,365 = 5,280,365 : x
2. Step 2: Convert to fraction form
   3,660,254/5,280,365 = 5,280,365/x
3. Step 3: Cross multiply
   3,660,254x = 5,280,365 × 5,280,365
4. Step 4: Simplify right side
   3,660,254x = 27,882,254,533,225
5. Step 5: Solve for x
   x = 27,882,254,533,225/3,660,254
6. Step 6: Final answer
   x = 7,617,573.68