Finding the Third Proportional to 9,429.50 and 18,620

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.50 : 18,620 = 18,620 : x
2. Step 2: Convert to fraction form
   9,429.50/18,620 = 18,620/x
3. Step 3: Cross multiply
   9,429.50x = 18,620 × 18,620
4. Step 4: Simplify right side
   9,429.50x = 346,704,400
5. Step 5: Solve for x
   x = 346,704,400/9,429.50
6. Step 6: Final answer
   x = 36,768.06