Finding the Third Proportional to 5,906,578 and 12,821,499

Step by Step Solution

1. Step 1: Write the proportion equation
   5,906,578 : 12,821,499 = 12,821,499 : x
2. Step 2: Convert to fraction form
   5,906,578/12,821,499 = 12,821,499/x
3. Step 3: Cross multiply
   5,906,578x = 12,821,499 × 12,821,499
4. Step 4: Simplify right side
   5,906,578x = 164,390,836,607,001
5. Step 5: Solve for x
   x = 164,390,836,607,001/5,906,578
6. Step 6: Final answer
   x = 27,831,823.54