Finding the Third Proportional to 428,679 and 941,436

Step by Step Solution

1. Step 1: Write the proportion equation
   428,679 : 941,436 = 941,436 : x
2. Step 2: Convert to fraction form
   428,679/941,436 = 941,436/x
3. Step 3: Cross multiply
   428,679x = 941,436 × 941,436
4. Step 4: Simplify right side
   428,679x = 886,301,742,096
5. Step 5: Solve for x
   x = 886,301,742,096/428,679
6. Step 6: Final answer
   x = 2,067,518.45