Finding the Third Proportional to 15,162,648 and 21,682,758

Step by Step Solution

1. Step 1: Write the proportion equation
   15,162,648 : 21,682,758 = 21,682,758 : x
2. Step 2: Convert to fraction form
   15,162,648/21,682,758 = 21,682,758/x
3. Step 3: Cross multiply
   15,162,648x = 21,682,758 × 21,682,758
4. Step 4: Simplify right side
   15,162,648x = 470,141,994,486,564
5. Step 5: Solve for x
   x = 470,141,994,486,564/15,162,648
6. Step 6: Final answer
   x = 31,006,588.99