Finding the Third Proportional to 464,640 and 683,350.50

Step by Step Solution

1. Step 1: Write the proportion equation
   464,640 : 683,350.50 = 683,350.50 : x
2. Step 2: Convert to fraction form
   464,640/683,350.50 = 683,350.50/x
3. Step 3: Cross multiply
   464,640x = 683,350.50 × 683,350.50
4. Step 4: Simplify right side
   464,640x = 466,967,905,850.25
5. Step 5: Solve for x
   x = 466,967,905,850.25/464,640
6. Step 6: Final answer
   x = 1,005,010.13