Finding the Third Proportional to 11,997.50 and 19,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,997.50 : 19,167.50 = 19,167.50 : x
2. Step 2: Convert to fraction form
   11,997.50/19,167.50 = 19,167.50/x
3. Step 3: Cross multiply
   11,997.50x = 19,167.50 × 19,167.50
4. Step 4: Simplify right side
   11,997.50x = 367,393,056.25
5. Step 5: Solve for x
   x = 367,393,056.25/11,997.50
6. Step 6: Final answer
   x = 30,622.47