Finding the Third Proportional to 9,461.25 and 20,117.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,461.25 : 20,117.25 = 20,117.25 : x
2. Step 2: Convert to fraction form
   9,461.25/20,117.25 = 20,117.25/x
3. Step 3: Cross multiply
   9,461.25x = 20,117.25 × 20,117.25
4. Step 4: Simplify right side
   9,461.25x = 404,703,747.56
5. Step 5: Solve for x
   x = 404,703,747.56/9,461.25
6. Step 6: Final answer
   x = 42,774.87