Finding the Third Proportional to 321,470 and 700,084

Step by Step Solution

1. Step 1: Write the proportion equation
   321,470 : 700,084 = 700,084 : x
2. Step 2: Convert to fraction form
   321,470/700,084 = 700,084/x
3. Step 3: Cross multiply
   321,470x = 700,084 × 700,084
4. Step 4: Simplify right side
   321,470x = 490,117,607,056
5. Step 5: Solve for x
   x = 490,117,607,056/321,470
6. Step 6: Final answer
   x = 1,524,613.83