Finding the Third Proportional to 38,867.63 and 82,405.69

Step by Step Solution

1. Step 1: Write the proportion equation
   38,867.63 : 82,405.69 = 82,405.69 : x
2. Step 2: Convert to fraction form
   38,867.63/82,405.69 = 82,405.69/x
3. Step 3: Cross multiply
   38,867.63x = 82,405.69 × 82,405.69
4. Step 4: Simplify right side
   38,867.63x = 6,790,697,332.35
5. Step 5: Solve for x
   x = 6,790,697,332.35/38,867.63
6. Step 6: Final answer
   x = 174,713.46