Finding the Third Proportional to 524,858 and 787,150

Step by Step Solution

1. Step 1: Write the proportion equation
   524,858 : 787,150 = 787,150 : x
2. Step 2: Convert to fraction form
   524,858/787,150 = 787,150/x
3. Step 3: Cross multiply
   524,858x = 787,150 × 787,150
4. Step 4: Simplify right side
   524,858x = 619,605,122,500
5. Step 5: Solve for x
   x = 619,605,122,500/524,858
6. Step 6: Final answer
   x = 1,180,519.54