Finding the Third Proportional to 104,854.50 and 216,945

Step by Step Solution

1. Step 1: Write the proportion equation
   104,854.50 : 216,945 = 216,945 : x
2. Step 2: Convert to fraction form
   104,854.50/216,945 = 216,945/x
3. Step 3: Cross multiply
   104,854.50x = 216,945 × 216,945
4. Step 4: Simplify right side
   104,854.50x = 47,065,133,025
5. Step 5: Solve for x
   x = 47,065,133,025/104,854.50
6. Step 6: Final answer
   x = 448,861.36