Finding the Third Proportional to 212,749.50 and 454,092

Step by Step Solution

1. Step 1: Write the proportion equation
   212,749.50 : 454,092 = 454,092 : x
2. Step 2: Convert to fraction form
   212,749.50/454,092 = 454,092/x
3. Step 3: Cross multiply
   212,749.50x = 454,092 × 454,092
4. Step 4: Simplify right side
   212,749.50x = 206,199,544,464
5. Step 5: Solve for x
   x = 206,199,544,464/212,749.50
6. Step 6: Final answer
   x = 969,212.83