Finding the Third Proportional to 5,986,413 and 13,131,648

Step by Step Solution

1. Step 1: Write the proportion equation
   5,986,413 : 13,131,648 = 13,131,648 : x
2. Step 2: Convert to fraction form
   5,986,413/13,131,648 = 13,131,648/x
3. Step 3: Cross multiply
   5,986,413x = 13,131,648 × 13,131,648
4. Step 4: Simplify right side
   5,986,413x = 172,440,179,195,904
5. Step 5: Solve for x
   x = 172,440,179,195,904/5,986,413
6. Step 6: Final answer
   x = 28,805,259.38