Finding the Third Proportional to 3,660,160 and 5,280,264

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,160 : 5,280,264 = 5,280,264 : x
2. Step 2: Convert to fraction form
   3,660,160/5,280,264 = 5,280,264/x
3. Step 3: Cross multiply
   3,660,160x = 5,280,264 × 5,280,264
4. Step 4: Simplify right side
   3,660,160x = 27,881,187,909,696
5. Step 5: Solve for x
   x = 27,881,187,909,696/3,660,160
6. Step 6: Final answer
   x = 7,617,477.90