Finding the Third Proportional to 525,546 and 801,442

Step by Step Solution

1. Step 1: Write the proportion equation
   525,546 : 801,442 = 801,442 : x
2. Step 2: Convert to fraction form
   525,546/801,442 = 801,442/x
3. Step 3: Cross multiply
   525,546x = 801,442 × 801,442
4. Step 4: Simplify right side
   525,546x = 642,309,279,364
5. Step 5: Solve for x
   x = 642,309,279,364/525,546
6. Step 6: Final answer
   x = 1,222,175.18