Finding the Third Proportional to 16,390.50 and 35,169

Step by Step Solution

1. Step 1: Write the proportion equation
   16,390.50 : 35,169 = 35,169 : x
2. Step 2: Convert to fraction form
   16,390.50/35,169 = 35,169/x
3. Step 3: Cross multiply
   16,390.50x = 35,169 × 35,169
4. Step 4: Simplify right side
   16,390.50x = 1,236,858,561
5. Step 5: Solve for x
   x = 1,236,858,561/16,390.50
6. Step 6: Final answer
   x = 75,461.92