Finding the Third Proportional to 498,500 and 753,696

Step by Step Solution

1. Step 1: Write the proportion equation
   498,500 : 753,696 = 753,696 : x
2. Step 2: Convert to fraction form
   498,500/753,696 = 753,696/x
3. Step 3: Cross multiply
   498,500x = 753,696 × 753,696
4. Step 4: Simplify right side
   498,500x = 568,057,660,416
5. Step 5: Solve for x
   x = 568,057,660,416/498,500
6. Step 6: Final answer
   x = 1,139,533.92