Finding the Third Proportional to 20,671.88 and 30,979.13

Step by Step Solution

1. Step 1: Write the proportion equation
   20,671.88 : 30,979.13 = 30,979.13 : x
2. Step 2: Convert to fraction form
   20,671.88/30,979.13 = 30,979.13/x
3. Step 3: Cross multiply
   20,671.88x = 30,979.13 × 30,979.13
4. Step 4: Simplify right side
   20,671.88x = 959,706,185.77
5. Step 5: Solve for x
   x = 959,706,185.77/20,671.88
6. Step 6: Final answer
   x = 46,425.70