Finding the Third Proportional to 525,858 and 1,151,228

Step by Step Solution

1. Step 1: Write the proportion equation
   525,858 : 1,151,228 = 1,151,228 : x
2. Step 2: Convert to fraction form
   525,858/1,151,228 = 1,151,228/x
3. Step 3: Cross multiply
   525,858x = 1,151,228 × 1,151,228
4. Step 4: Simplify right side
   525,858x = 1,325,325,907,984
5. Step 5: Solve for x
   x = 1,325,325,907,984/525,858
6. Step 6: Final answer
   x = 2,520,311.39