Finding the Third Proportional to 30,664.69 and 82,622.81

Step by Step Solution

1. Step 1: Write the proportion equation
   30,664.69 : 82,622.81 = 82,622.81 : x
2. Step 2: Convert to fraction form
   30,664.69/82,622.81 = 82,622.81/x
3. Step 3: Cross multiply
   30,664.69x = 82,622.81 × 82,622.81
4. Step 4: Simplify right side
   30,664.69x = 6,826,529,145.41
5. Step 5: Solve for x
   x = 6,826,529,145.41/30,664.69
6. Step 6: Final answer
   x = 222,618.58