Finding the Third Proportional to 30,472.50 and 45,708.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,472.50 : 45,708.75 = 45,708.75 : x
2. Step 2: Convert to fraction form
   30,472.50/45,708.75 = 45,708.75/x
3. Step 3: Cross multiply
   30,472.50x = 45,708.75 × 45,708.75
4. Step 4: Simplify right side
   30,472.50x = 2,089,289,826.56
5. Step 5: Solve for x
   x = 2,089,289,826.56/30,472.50
6. Step 6: Final answer
   x = 68,563.13