Finding the Third Proportional to 20,163 and 42,751.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,163 : 42,751.50 = 42,751.50 : x
2. Step 2: Convert to fraction form
   20,163/42,751.50 = 42,751.50/x
3. Step 3: Cross multiply
   20,163x = 42,751.50 × 42,751.50
4. Step 4: Simplify right side
   20,163x = 1,827,690,752.25
5. Step 5: Solve for x
   x = 1,827,690,752.25/20,163
6. Step 6: Final answer
   x = 90,645.77