Finding the Third Proportional to 13,879.69 and 29,976.19

Step by Step Solution

1. Step 1: Write the proportion equation
   13,879.69 : 29,976.19 = 29,976.19 : x
2. Step 2: Convert to fraction form
   13,879.69/29,976.19 = 29,976.19/x
3. Step 3: Cross multiply
   13,879.69x = 29,976.19 × 29,976.19
4. Step 4: Simplify right side
   13,879.69x = 898,571,817.04
5. Step 5: Solve for x
   x = 898,571,817.04/13,879.69
6. Step 6: Final answer
   x = 64,740.06