Finding the Third Proportional to 525,036 and 787,389

Step by Step Solution

1. Step 1: Write the proportion equation
   525,036 : 787,389 = 787,389 : x
2. Step 2: Convert to fraction form
   525,036/787,389 = 787,389/x
3. Step 3: Cross multiply
   525,036x = 787,389 × 787,389
4. Step 4: Simplify right side
   525,036x = 619,981,437,321
5. Step 5: Solve for x
   x = 619,981,437,321/525,036
6. Step 6: Final answer
   x = 1,180,836.05