Finding the Third Proportional to 101,981.50 and 217,976

Step by Step Solution

1. Step 1: Write the proportion equation
   101,981.50 : 217,976 = 217,976 : x
2. Step 2: Convert to fraction form
   101,981.50/217,976 = 217,976/x
3. Step 3: Cross multiply
   101,981.50x = 217,976 × 217,976
4. Step 4: Simplify right side
   101,981.50x = 47,513,536,576
5. Step 5: Solve for x
   x = 47,513,536,576/101,981.50
6. Step 6: Final answer
   x = 465,903.49