Finding the Third Proportional to 11,928.94 and 17,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,928.94 : 17,887.50 = 17,887.50 : x
2. Step 2: Convert to fraction form
   11,928.94/17,887.50 = 17,887.50/x
3. Step 3: Cross multiply
   11,928.94x = 17,887.50 × 17,887.50
4. Step 4: Simplify right side
   11,928.94x = 319,962,656.25
5. Step 5: Solve for x
   x = 319,962,656.25/11,928.94
6. Step 6: Final answer
   x = 26,822.39