Finding the Third Proportional to 16,389 and 37,813.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,389 : 37,813.50 = 37,813.50 : x
2. Step 2: Convert to fraction form
   16,389/37,813.50 = 37,813.50/x
3. Step 3: Cross multiply
   16,389x = 37,813.50 × 37,813.50
4. Step 4: Simplify right side
   16,389x = 1,429,860,782.25
5. Step 5: Solve for x
   x = 1,429,860,782.25/16,389
6. Step 6: Final answer
   x = 87,245.15