Finding the Third Proportional to 525,854 and 1,151,217

Step by Step Solution

1. Step 1: Write the proportion equation
   525,854 : 1,151,217 = 1,151,217 : x
2. Step 2: Convert to fraction form
   525,854/1,151,217 = 1,151,217/x
3. Step 3: Cross multiply
   525,854x = 1,151,217 × 1,151,217
4. Step 4: Simplify right side
   525,854x = 1,325,300,581,089
5. Step 5: Solve for x
   x = 1,325,300,581,089/525,854
6. Step 6: Final answer
   x = 2,520,282.40