Finding the Third Proportional to 12,648 and 29,928

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648 : 29,928 = 29,928 : x
2. Step 2: Convert to fraction form
   12,648/29,928 = 29,928/x
3. Step 3: Cross multiply
   12,648x = 29,928 × 29,928
4. Step 4: Simplify right side
   12,648x = 895,685,184
5. Step 5: Solve for x
   x = 895,685,184/12,648
6. Step 6: Final answer
   x = 70,816.35