Finding the Third Proportional to 525,542 and 801,436

Step by Step Solution

1. Step 1: Write the proportion equation
   525,542 : 801,436 = 801,436 : x
2. Step 2: Convert to fraction form
   525,542/801,436 = 801,436/x
3. Step 3: Cross multiply
   525,542x = 801,436 × 801,436
4. Step 4: Simplify right side
   525,542x = 642,299,662,096
5. Step 5: Solve for x
   x = 642,299,662,096/525,542
6. Step 6: Final answer
   x = 1,222,166.19