Finding the Third Proportional to 212,930 and 465,604

Step by Step Solution

1. Step 1: Write the proportion equation
   212,930 : 465,604 = 465,604 : x
2. Step 2: Convert to fraction form
   212,930/465,604 = 465,604/x
3. Step 3: Cross multiply
   212,930x = 465,604 × 465,604
4. Step 4: Simplify right side
   212,930x = 216,787,084,816
5. Step 5: Solve for x
   x = 216,787,084,816/212,930
6. Step 6: Final answer
   x = 1,018,114.33