Finding the Third Proportional to 20,578.50 and 30,746.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,578.50 : 30,746.25 = 30,746.25 : x
2. Step 2: Convert to fraction form
   20,578.50/30,746.25 = 30,746.25/x
3. Step 3: Cross multiply
   20,578.50x = 30,746.25 × 30,746.25
4. Step 4: Simplify right side
   20,578.50x = 945,331,889.06
5. Step 5: Solve for x
   x = 945,331,889.06/20,578.50
6. Step 6: Final answer
   x = 45,937.84