Finding the Third Proportional to 326,122 and 712,022

Step by Step Solution

1. Step 1: Write the proportion equation
   326,122 : 712,022 = 712,022 : x
2. Step 2: Convert to fraction form
   326,122/712,022 = 712,022/x
3. Step 3: Cross multiply
   326,122x = 712,022 × 712,022
4. Step 4: Simplify right side
   326,122x = 506,975,328,484
5. Step 5: Solve for x
   x = 506,975,328,484/326,122
6. Step 6: Final answer
   x = 1,554,557.28