Finding the Third Proportional to 11,889.75 and 28,118.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,889.75 : 28,118.16 = 28,118.16 : x
2. Step 2: Convert to fraction form
   11,889.75/28,118.16 = 28,118.16/x
3. Step 3: Cross multiply
   11,889.75x = 28,118.16 × 28,118.16
4. Step 4: Simplify right side
   11,889.75x = 790,630,710.90
5. Step 5: Solve for x
   x = 790,630,710.90/11,889.75
6. Step 6: Final answer
   x = 66,496.83