Finding the Third Proportional to 16,090.50 and 33,639

Step by Step Solution

1. Step 1: Write the proportion equation
   16,090.50 : 33,639 = 33,639 : x
2. Step 2: Convert to fraction form
   16,090.50/33,639 = 33,639/x
3. Step 3: Cross multiply
   16,090.50x = 33,639 × 33,639
4. Step 4: Simplify right side
   16,090.50x = 1,131,582,321
5. Step 5: Solve for x
   x = 1,131,582,321/16,090.50
6. Step 6: Final answer
   x = 70,326.11