Finding the Third Proportional to 7,202.25 and 12,612.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,202.25 : 12,612.38 = 12,612.38 : x
2. Step 2: Convert to fraction form
   7,202.25/12,612.38 = 12,612.38/x
3. Step 3: Cross multiply
   7,202.25x = 12,612.38 × 12,612.38
4. Step 4: Simplify right side
   7,202.25x = 159,072,003.14
5. Step 5: Solve for x
   x = 159,072,003.14/7,202.25
6. Step 6: Final answer
   x = 22,086.43