Finding the Third Proportional to 30,728.25 and 46,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,728.25 : 46,912.50 = 46,912.50 : x
2. Step 2: Convert to fraction form
   30,728.25/46,912.50 = 46,912.50/x
3. Step 3: Cross multiply
   30,728.25x = 46,912.50 × 46,912.50
4. Step 4: Simplify right side
   30,728.25x = 2,200,782,656.25
5. Step 5: Solve for x
   x = 2,200,782,656.25/30,728.25
6. Step 6: Final answer
   x = 71,620.83