Finding the Third Proportional to 212,258 and 461,992

Step by Step Solution

1. Step 1: Write the proportion equation
   212,258 : 461,992 = 461,992 : x
2. Step 2: Convert to fraction form
   212,258/461,992 = 461,992/x
3. Step 3: Cross multiply
   212,258x = 461,992 × 461,992
4. Step 4: Simplify right side
   212,258x = 213,436,608,064
5. Step 5: Solve for x
   x = 213,436,608,064/212,258
6. Step 6: Final answer
   x = 1,005,552.71