Finding the Third Proportional to 4,700 and 10,928.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,700 : 10,928.50 = 10,928.50 : x
2. Step 2: Convert to fraction form
   4,700/10,928.50 = 10,928.50/x
3. Step 3: Cross multiply
   4,700x = 10,928.50 × 10,928.50
4. Step 4: Simplify right side
   4,700x = 119,432,112.25
5. Step 5: Solve for x
   x = 119,432,112.25/4,700
6. Step 6: Final answer
   x = 25,411.09