Finding the Third Proportional to 3,660,172 and 5,280,282

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,172 : 5,280,282 = 5,280,282 : x
2. Step 2: Convert to fraction form
   3,660,172/5,280,282 = 5,280,282/x
3. Step 3: Cross multiply
   3,660,172x = 5,280,282 × 5,280,282
4. Step 4: Simplify right side
   3,660,172x = 27,881,377,999,524
5. Step 5: Solve for x
   x = 27,881,377,999,524/3,660,172
6. Step 6: Final answer
   x = 7,617,504.86