Finding the Third Proportional to 212,328 and 462,120

Step by Step Solution

1. Step 1: Write the proportion equation
   212,328 : 462,120 = 462,120 : x
2. Step 2: Convert to fraction form
   212,328/462,120 = 462,120/x
3. Step 3: Cross multiply
   212,328x = 462,120 × 462,120
4. Step 4: Simplify right side
   212,328x = 213,554,894,400
5. Step 5: Solve for x
   x = 213,554,894,400/212,328
6. Step 6: Final answer
   x = 1,005,778.30