Finding the Third Proportional to 16,309.69 and 35,317.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,309.69 : 35,317.69 = 35,317.69 : x
2. Step 2: Convert to fraction form
   16,309.69/35,317.69 = 35,317.69/x
3. Step 3: Cross multiply
   16,309.69x = 35,317.69 × 35,317.69
4. Step 4: Simplify right side
   16,309.69x = 1,247,339,050.35
5. Step 5: Solve for x
   x = 1,247,339,050.35/16,309.69
6. Step 6: Final answer
   x = 76,478.42