Finding the Third Proportional to 13,947.75 and 30,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,947.75 : 30,355.50 = 30,355.50 : x
2. Step 2: Convert to fraction form
   13,947.75/30,355.50 = 30,355.50/x
3. Step 3: Cross multiply
   13,947.75x = 30,355.50 × 30,355.50
4. Step 4: Simplify right side
   13,947.75x = 921,456,380.25
5. Step 5: Solve for x
   x = 921,456,380.25/13,947.75
6. Step 6: Final answer
   x = 66,064.88