Finding the Third Proportional to 19,131.38 and 30,164.30

Step by Step Solution

1. Step 1: Write the proportion equation
   19,131.38 : 30,164.30 = 30,164.30 : x
2. Step 2: Convert to fraction form
   19,131.38/30,164.30 = 30,164.30/x
3. Step 3: Cross multiply
   19,131.38x = 30,164.30 × 30,164.30
4. Step 4: Simplify right side
   19,131.38x = 909,884,805.96
5. Step 5: Solve for x
   x = 909,884,805.96/19,131.38
6. Step 6: Final answer
   x = 47,559.82