Finding the Third Proportional to 19,349.81 and 39,519.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,349.81 : 39,519.56 = 39,519.56 : x
2. Step 2: Convert to fraction form
   19,349.81/39,519.56 = 39,519.56/x
3. Step 3: Cross multiply
   19,349.81x = 39,519.56 × 39,519.56
4. Step 4: Simplify right side
   19,349.81x = 1,561,795,820.19
5. Step 5: Solve for x
   x = 1,561,795,820.19/19,349.81
6. Step 6: Final answer
   x = 80,713.74