Finding the Third Proportional to 20,700 and 31,856.25

Step by Step Solution

1. Step 1: Write the proportion equation
   20,700 : 31,856.25 = 31,856.25 : x
2. Step 2: Convert to fraction form
   20,700/31,856.25 = 31,856.25/x
3. Step 3: Cross multiply
   20,700x = 31,856.25 × 31,856.25
4. Step 4: Simplify right side
   20,700x = 1,014,820,664.06
5. Step 5: Solve for x
   x = 1,014,820,664.06/20,700
6. Step 6: Final answer
   x = 49,025.15