Finding the Third Proportional to 427,780 and 929,458

Step by Step Solution

1. Step 1: Write the proportion equation
   427,780 : 929,458 = 929,458 : x
2. Step 2: Convert to fraction form
   427,780/929,458 = 929,458/x
3. Step 3: Cross multiply
   427,780x = 929,458 × 929,458
4. Step 4: Simplify right side
   427,780x = 863,892,173,764
5. Step 5: Solve for x
   x = 863,892,173,764/427,780
6. Step 6: Final answer
   x = 2,019,477.71