Finding the Third Proportional to 9,378.38 and 20,012.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,378.38 : 20,012.25 = 20,012.25 : x
2. Step 2: Convert to fraction form
   9,378.38/20,012.25 = 20,012.25/x
3. Step 3: Cross multiply
   9,378.38x = 20,012.25 × 20,012.25
4. Step 4: Simplify right side
   9,378.38x = 400,490,150.06
5. Step 5: Solve for x
   x = 400,490,150.06/9,378.38
6. Step 6: Final answer
   x = 42,703.58