Finding the Third Proportional to 100,935.50 and 212,326

Step by Step Solution

1. Step 1: Write the proportion equation
   100,935.50 : 212,326 = 212,326 : x
2. Step 2: Convert to fraction form
   100,935.50/212,326 = 212,326/x
3. Step 3: Cross multiply
   100,935.50x = 212,326 × 212,326
4. Step 4: Simplify right side
   100,935.50x = 45,082,330,276
5. Step 5: Solve for x
   x = 45,082,330,276/100,935.50
6. Step 6: Final answer
   x = 446,644.94