Finding the Third Proportional to 7,137.75 and 14,734.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,137.75 : 14,734.50 = 14,734.50 : x
2. Step 2: Convert to fraction form
   7,137.75/14,734.50 = 14,734.50/x
3. Step 3: Cross multiply
   7,137.75x = 14,734.50 × 14,734.50
4. Step 4: Simplify right side
   7,137.75x = 217,105,490.25
5. Step 5: Solve for x
   x = 217,105,490.25/7,137.75
6. Step 6: Final answer
   x = 30,416.52