Finding the Third Proportional to 17,009.16 and 36,478.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,009.16 : 36,478.69 = 36,478.69 : x
2. Step 2: Convert to fraction form
   17,009.16/36,478.69 = 36,478.69/x
3. Step 3: Cross multiply
   17,009.16x = 36,478.69 × 36,478.69
4. Step 4: Simplify right side
   17,009.16x = 1,330,694,641.72
5. Step 5: Solve for x
   x = 1,330,694,641.72/17,009.16
6. Step 6: Final answer
   x = 78,234.02