Finding the Third Proportional to 11,781 and 19,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,781 : 19,003.50 = 19,003.50 : x
2. Step 2: Convert to fraction form
   11,781/19,003.50 = 19,003.50/x
3. Step 3: Cross multiply
   11,781x = 19,003.50 × 19,003.50
4. Step 4: Simplify right side
   11,781x = 361,133,012.25
5. Step 5: Solve for x
   x = 361,133,012.25/11,781
6. Step 6: Final answer
   x = 30,653.85