Finding the Third Proportional to 214,866 and 466,640

Step by Step Solution

1. Step 1: Write the proportion equation
   214,866 : 466,640 = 466,640 : x
2. Step 2: Convert to fraction form
   214,866/466,640 = 466,640/x
3. Step 3: Cross multiply
   214,866x = 466,640 × 466,640
4. Step 4: Simplify right side
   214,866x = 217,752,889,600
5. Step 5: Solve for x
   x = 217,752,889,600/214,866
6. Step 6: Final answer
   x = 1,013,435.77