Finding the Third Proportional to 427,470 and 667,084.50

Step by Step Solution

1. Step 1: Write the proportion equation
   427,470 : 667,084.50 = 667,084.50 : x
2. Step 2: Convert to fraction form
   427,470/667,084.50 = 667,084.50/x
3. Step 3: Cross multiply
   427,470x = 667,084.50 × 667,084.50
4. Step 4: Simplify right side
   427,470x = 445,001,730,140.25
5. Step 5: Solve for x
   x = 445,001,730,140.25/427,470
6. Step 6: Final answer
   x = 1,041,012.77