Finding the Third Proportional to 85,558.50 and 183,105

Step by Step Solution

1. Step 1: Write the proportion equation
   85,558.50 : 183,105 = 183,105 : x
2. Step 2: Convert to fraction form
   85,558.50/183,105 = 183,105/x
3. Step 3: Cross multiply
   85,558.50x = 183,105 × 183,105
4. Step 4: Simplify right side
   85,558.50x = 33,527,441,025
5. Step 5: Solve for x
   x = 33,527,441,025/85,558.50
6. Step 6: Final answer
   x = 391,865.69