Finding the Third Proportional to 525,891 and 1,151,289

Step by Step Solution

1. Step 1: Write the proportion equation
   525,891 : 1,151,289 = 1,151,289 : x
2. Step 2: Convert to fraction form
   525,891/1,151,289 = 1,151,289/x
3. Step 3: Cross multiply
   525,891x = 1,151,289 × 1,151,289
4. Step 4: Simplify right side
   525,891x = 1,325,466,361,521
5. Step 5: Solve for x
   x = 1,325,466,361,521/525,891
6. Step 6: Final answer
   x = 2,520,420.32