Finding the Third Proportional to 11,662.88 and 30,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.88 : 30,388.50 = 30,388.50 : x
2. Step 2: Convert to fraction form
   11,662.88/30,388.50 = 30,388.50/x
3. Step 3: Cross multiply
   11,662.88x = 30,388.50 × 30,388.50
4. Step 4: Simplify right side
   11,662.88x = 923,460,932.25
5. Step 5: Solve for x
   x = 923,460,932.25/11,662.88
6. Step 6: Final answer
   x = 79,179.53