Finding the Third Proportional to 22,117.50 and 30,830.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,117.50 : 30,830.25 = 30,830.25 : x
2. Step 2: Convert to fraction form
   22,117.50/30,830.25 = 30,830.25/x
3. Step 3: Cross multiply
   22,117.50x = 30,830.25 × 30,830.25
4. Step 4: Simplify right side
   22,117.50x = 950,504,315.06
5. Step 5: Solve for x
   x = 950,504,315.06/22,117.50
6. Step 6: Final answer
   x = 42,975.21