Finding the Third Proportional to 19,099.50 and 38,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,099.50 : 38,455.50 = 38,455.50 : x
2. Step 2: Convert to fraction form
   19,099.50/38,455.50 = 38,455.50/x
3. Step 3: Cross multiply
   19,099.50x = 38,455.50 × 38,455.50
4. Step 4: Simplify right side
   19,099.50x = 1,478,825,480.25
5. Step 5: Solve for x
   x = 1,478,825,480.25/19,099.50
6. Step 6: Final answer
   x = 77,427.44