Finding the Third Proportional to 212,332 and 462,128

Step by Step Solution

1. Step 1: Write the proportion equation
   212,332 : 462,128 = 462,128 : x
2. Step 2: Convert to fraction form
   212,332/462,128 = 462,128/x
3. Step 3: Cross multiply
   212,332x = 462,128 × 462,128
4. Step 4: Simplify right side
   212,332x = 213,562,288,384
5. Step 5: Solve for x
   x = 213,562,288,384/212,332
6. Step 6: Final answer
   x = 1,005,794.17