Finding the Third Proportional to 16,829.81 and 36,445.69

Step by Step Solution

1. Step 1: Write the proportion equation
   16,829.81 : 36,445.69 = 36,445.69 : x
2. Step 2: Convert to fraction form
   16,829.81/36,445.69 = 36,445.69/x
3. Step 3: Cross multiply
   16,829.81x = 36,445.69 × 36,445.69
4. Step 4: Simplify right side
   16,829.81x = 1,328,288,137.35
5. Step 5: Solve for x
   x = 1,328,288,137.35/16,829.81
6. Step 6: Final answer
   x = 78,924.71