Finding the Third Proportional to 20,542.50 and 30,624.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,542.50 : 30,624.75 = 30,624.75 : x
2. Step 2: Convert to fraction form
   20,542.50/30,624.75 = 30,624.75/x
3. Step 3: Cross multiply
   20,542.50x = 30,624.75 × 30,624.75
4. Step 4: Simplify right side
   20,542.50x = 937,875,312.56
5. Step 5: Solve for x
   x = 937,875,312.56/20,542.50
6. Step 6: Final answer
   x = 45,655.36