Finding the Third Proportional to 2,680,249.50 and 5,780,403

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680,249.50 : 5,780,403 = 5,780,403 : x
2. Step 2: Convert to fraction form
   2,680,249.50/5,780,403 = 5,780,403/x
3. Step 3: Cross multiply
   2,680,249.50x = 5,780,403 × 5,780,403
4. Step 4: Simplify right side
   2,680,249.50x = 33,413,058,842,409
5. Step 5: Solve for x
   x = 33,413,058,842,409/2,680,249.50
6. Step 6: Final answer
   x = 12,466,398.69