Finding the Third Proportional to 16,607.53 and 18,350.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,607.53 : 18,350.30 = 18,350.30 : x
2. Step 2: Convert to fraction form
   16,607.53/18,350.30 = 18,350.30/x
3. Step 3: Cross multiply
   16,607.53x = 18,350.30 × 18,350.30
4. Step 4: Simplify right side
   16,607.53x = 336,733,395.40
5. Step 5: Solve for x
   x = 336,733,395.40/16,607.53
6. Step 6: Final answer
   x = 20,275.95