Finding the Third Proportional to 16,389 and 35,930.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,389 : 35,930.25 = 35,930.25 : x
2. Step 2: Convert to fraction form
   16,389/35,930.25 = 35,930.25/x
3. Step 3: Cross multiply
   16,389x = 35,930.25 × 35,930.25
4. Step 4: Simplify right side
   16,389x = 1,290,982,865.06
5. Step 5: Solve for x
   x = 1,290,982,865.06/16,389
6. Step 6: Final answer
   x = 78,771.30