Finding the Third Proportional to 688,317 and 967,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   688,317 : 967,573.50 = 967,573.50 : x
2. Step 2: Convert to fraction form
   688,317/967,573.50 = 967,573.50/x
3. Step 3: Cross multiply
   688,317x = 967,573.50 × 967,573.50
4. Step 4: Simplify right side
   688,317x = 936,198,477,902.25
5. Step 5: Solve for x
   x = 936,198,477,902.25/688,317
6. Step 6: Final answer
   x = 1,360,126.92