Finding the Third Proportional to 427,460.50 and 667,070

Step by Step Solution

1. Step 1: Write the proportion equation
   427,460.50 : 667,070 = 667,070 : x
2. Step 2: Convert to fraction form
   427,460.50/667,070 = 667,070/x
3. Step 3: Cross multiply
   427,460.50x = 667,070 × 667,070
4. Step 4: Simplify right side
   427,460.50x = 444,982,384,900
5. Step 5: Solve for x
   x = 444,982,384,900/427,460.50
6. Step 6: Final answer
   x = 1,040,990.65