Finding the Third Proportional to 9,136.13 and 19,958.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,136.13 : 19,958.06 = 19,958.06 : x
2. Step 2: Convert to fraction form
   9,136.13/19,958.06 = 19,958.06/x
3. Step 3: Cross multiply
   9,136.13x = 19,958.06 × 19,958.06
4. Step 4: Simplify right side
   9,136.13x = 398,324,258.75
5. Step 5: Solve for x
   x = 398,324,258.75/9,136.13
6. Step 6: Final answer
   x = 43,598.82