Finding the Third Proportional to 20,577.75 and 30,731.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,577.75 : 30,731.25 = 30,731.25 : x
2. Step 2: Convert to fraction form
   20,577.75/30,731.25 = 30,731.25/x
3. Step 3: Cross multiply
   20,577.75x = 30,731.25 × 30,731.25
4. Step 4: Simplify right side
   20,577.75x = 944,409,726.56
5. Step 5: Solve for x
   x = 944,409,726.56/20,577.75
6. Step 6: Final answer
   x = 45,894.70