Finding the Third Proportional to 3,660,194 and 5,280,315

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660,194 : 5,280,315 = 5,280,315 : x
2. Step 2: Convert to fraction form
   3,660,194/5,280,315 = 5,280,315/x
3. Step 3: Cross multiply
   3,660,194x = 5,280,315 × 5,280,315
4. Step 4: Simplify right side
   3,660,194x = 27,881,726,499,225
5. Step 5: Solve for x
   x = 27,881,726,499,225/3,660,194
6. Step 6: Final answer
   x = 7,617,554.29