Finding the Third Proportional to 535,336 and 807,540

Step by Step Solution

1. Step 1: Write the proportion equation
   535,336 : 807,540 = 807,540 : x
2. Step 2: Convert to fraction form
   535,336/807,540 = 807,540/x
3. Step 3: Cross multiply
   535,336x = 807,540 × 807,540
4. Step 4: Simplify right side
   535,336x = 652,120,851,600
5. Step 5: Solve for x
   x = 652,120,851,600/535,336
6. Step 6: Final answer
   x = 1,218,152.43