Finding the Third Proportional to 12,319.25 and 18,961.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,319.25 : 18,961.50 = 18,961.50 : x
2. Step 2: Convert to fraction form
   12,319.25/18,961.50 = 18,961.50/x
3. Step 3: Cross multiply
   12,319.25x = 18,961.50 × 18,961.50
4. Step 4: Simplify right side
   12,319.25x = 359,538,482.25
5. Step 5: Solve for x
   x = 359,538,482.25/12,319.25
6. Step 6: Final answer
   x = 29,185.10