Finding the Third Proportional to 12,411 and 19,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,411 : 19,300.50 = 19,300.50 : x
2. Step 2: Convert to fraction form
   12,411/19,300.50 = 19,300.50/x
3. Step 3: Cross multiply
   12,411x = 19,300.50 × 19,300.50
4. Step 4: Simplify right side
   12,411x = 372,509,300.25
5. Step 5: Solve for x
   x = 372,509,300.25/12,411
6. Step 6: Final answer
   x = 30,014.45