Finding the Third Proportional to 100,934.50 and 212,324

Step by Step Solution

1. Step 1: Write the proportion equation
   100,934.50 : 212,324 = 212,324 : x
2. Step 2: Convert to fraction form
   100,934.50/212,324 = 212,324/x
3. Step 3: Cross multiply
   100,934.50x = 212,324 × 212,324
4. Step 4: Simplify right side
   100,934.50x = 45,081,480,976
5. Step 5: Solve for x
   x = 45,081,480,976/100,934.50
6. Step 6: Final answer
   x = 446,640.95