Finding the Third Proportional to 38,622.94 and 81,397.69

Step by Step Solution

1. Step 1: Write the proportion equation
   38,622.94 : 81,397.69 = 81,397.69 : x
2. Step 2: Convert to fraction form
   38,622.94/81,397.69 = 81,397.69/x
3. Step 3: Cross multiply
   38,622.94x = 81,397.69 × 81,397.69
4. Step 4: Simplify right side
   38,622.94x = 6,625,583,530.35
5. Step 5: Solve for x
   x = 6,625,583,530.35/38,622.94
6. Step 6: Final answer
   x = 171,545.30