Finding the Third Proportional to 9,499.78 and 14,787.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,499.78 : 14,787.88 = 14,787.88 : x
2. Step 2: Convert to fraction form
   9,499.78/14,787.88 = 14,787.88/x
3. Step 3: Cross multiply
   9,499.78x = 14,787.88 × 14,787.88
4. Step 4: Simplify right side
   9,499.78x = 218,681,362.55
5. Step 5: Solve for x
   x = 218,681,362.55/9,499.78
6. Step 6: Final answer
   x = 23,019.62