Finding the Third Proportional to 716.50 and 1,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   716.50 : 1,068.50 = 1,068.50 : x
2. Step 2: Convert to fraction form
   716.50/1,068.50 = 1,068.50/x
3. Step 3: Cross multiply
   716.50x = 1,068.50 × 1,068.50
4. Step 4: Simplify right side
   716.50x = 1,141,692.25
5. Step 5: Solve for x
   x = 1,141,692.25/716.50
6. Step 6: Final answer
   x = 1,593.43