Finding the Third Proportional to 212,242 and 465,308

Step by Step Solution

1. Step 1: Write the proportion equation
   212,242 : 465,308 = 465,308 : x
2. Step 2: Convert to fraction form
   212,242/465,308 = 465,308/x
3. Step 3: Cross multiply
   212,242x = 465,308 × 465,308
4. Step 4: Simplify right side
   212,242x = 216,511,534,864
5. Step 5: Solve for x
   x = 216,511,534,864/212,242
6. Step 6: Final answer
   x = 1,020,116.35