Finding the Third Proportional to 426,992 and 919,960

Step by Step Solution

1. Step 1: Write the proportion equation
   426,992 : 919,960 = 919,960 : x
2. Step 2: Convert to fraction form
   426,992/919,960 = 919,960/x
3. Step 3: Cross multiply
   426,992x = 919,960 × 919,960
4. Step 4: Simplify right side
   426,992x = 846,326,401,600
5. Step 5: Solve for x
   x = 846,326,401,600/426,992
6. Step 6: Final answer
   x = 1,982,066.18