Finding the Third Proportional to 20,956.50 and 43,978.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,956.50 : 43,978.50 = 43,978.50 : x
2. Step 2: Convert to fraction form
   20,956.50/43,978.50 = 43,978.50/x
3. Step 3: Cross multiply
   20,956.50x = 43,978.50 × 43,978.50
4. Step 4: Simplify right side
   20,956.50x = 1,934,108,462.25
5. Step 5: Solve for x
   x = 1,934,108,462.25/20,956.50
6. Step 6: Final answer
   x = 92,291.58