Finding the Third Proportional to 140,988 and 296,758

Step by Step Solution

1. Step 1: Write the proportion equation
   140,988 : 296,758 = 296,758 : x
2. Step 2: Convert to fraction form
   140,988/296,758 = 296,758/x
3. Step 3: Cross multiply
   140,988x = 296,758 × 296,758
4. Step 4: Simplify right side
   140,988x = 88,065,310,564
5. Step 5: Solve for x
   x = 88,065,310,564/140,988
6. Step 6: Final answer
   x = 624,629.83