Finding the Third Proportional to 21,718.13 and 34,976.81

Step by Step Solution

1. Step 1: Write the proportion equation
   21,718.13 : 34,976.81 = 34,976.81 : x
2. Step 2: Convert to fraction form
   21,718.13/34,976.81 = 34,976.81/x
3. Step 3: Cross multiply
   21,718.13x = 34,976.81 × 34,976.81
4. Step 4: Simplify right side
   21,718.13x = 1,223,377,412.66
5. Step 5: Solve for x
   x = 1,223,377,412.66/21,718.13
6. Step 6: Final answer
   x = 56,329.79