Finding the Third Proportional to 20,847.38 and 43,422.75

Step by Step Solution

1. Step 1: Write the proportion equation
   20,847.38 : 43,422.75 = 43,422.75 : x
2. Step 2: Convert to fraction form
   20,847.38/43,422.75 = 43,422.75/x
3. Step 3: Cross multiply
   20,847.38x = 43,422.75 × 43,422.75
4. Step 4: Simplify right side
   20,847.38x = 1,885,535,217.56
5. Step 5: Solve for x
   x = 1,885,535,217.56/20,847.38
6. Step 6: Final answer
   x = 90,444.73