Finding the Third Proportional to 9,117.56 and 19,632.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,117.56 : 19,632.38 = 19,632.38 : x
2. Step 2: Convert to fraction form
   9,117.56/19,632.38 = 19,632.38/x
3. Step 3: Cross multiply
   9,117.56x = 19,632.38 × 19,632.38
4. Step 4: Simplify right side
   9,117.56x = 385,430,148.14
5. Step 5: Solve for x
   x = 385,430,148.14/9,117.56
6. Step 6: Final answer
   x = 42,273.38