Finding the Third Proportional to 314,250 and 683,142

Step by Step Solution

1. Step 1: Write the proportion equation
   314,250 : 683,142 = 683,142 : x
2. Step 2: Convert to fraction form
   314,250/683,142 = 683,142/x
3. Step 3: Cross multiply
   314,250x = 683,142 × 683,142
4. Step 4: Simplify right side
   314,250x = 466,682,992,164
5. Step 5: Solve for x
   x = 466,682,992,164/314,250
6. Step 6: Final answer
   x = 1,485,069.19