Finding the Third Proportional to 30,928.50 and 46,680.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,928.50 : 46,680.75 = 46,680.75 : x
2. Step 2: Convert to fraction form
   30,928.50/46,680.75 = 46,680.75/x
3. Step 3: Cross multiply
   30,928.50x = 46,680.75 × 46,680.75
4. Step 4: Simplify right side
   30,928.50x = 2,179,092,420.56
5. Step 5: Solve for x
   x = 2,179,092,420.56/30,928.50
6. Step 6: Final answer
   x = 70,455.81