Finding the Third Proportional to 22,209.75 and 42,369.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,209.75 : 42,369.75 = 42,369.75 : x
2. Step 2: Convert to fraction form
   22,209.75/42,369.75 = 42,369.75/x
3. Step 3: Cross multiply
   22,209.75x = 42,369.75 × 42,369.75
4. Step 4: Simplify right side
   22,209.75x = 1,795,195,715.06
5. Step 5: Solve for x
   x = 1,795,195,715.06/22,209.75
6. Step 6: Final answer
   x = 80,829.17