Finding the Third Proportional to 20,881.75 and 43,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,881.75 : 43,491.50 = 43,491.50 : x
2. Step 2: Convert to fraction form
   20,881.75/43,491.50 = 43,491.50/x
3. Step 3: Cross multiply
   20,881.75x = 43,491.50 × 43,491.50
4. Step 4: Simplify right side
   20,881.75x = 1,891,510,572.25
5. Step 5: Solve for x
   x = 1,891,510,572.25/20,881.75
6. Step 6: Final answer
   x = 90,581.99