Finding the Third Proportional to 22,917.94 and 30,420.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,917.94 : 30,420.56 = 30,420.56 : x
2. Step 2: Convert to fraction form
   22,917.94/30,420.56 = 30,420.56/x
3. Step 3: Cross multiply
   22,917.94x = 30,420.56 × 30,420.56
4. Step 4: Simplify right side
   22,917.94x = 925,410,622.82
5. Step 5: Solve for x
   x = 925,410,622.82/22,917.94
6. Step 6: Final answer
   x = 40,379.32