Finding the Third Proportional to 525,536 and 801,426

Step by Step Solution

1. Step 1: Write the proportion equation
   525,536 : 801,426 = 801,426 : x
2. Step 2: Convert to fraction form
   525,536/801,426 = 801,426/x
3. Step 3: Cross multiply
   525,536x = 801,426 × 801,426
4. Step 4: Simplify right side
   525,536x = 642,283,633,476
5. Step 5: Solve for x
   x = 642,283,633,476/525,536
6. Step 6: Final answer
   x = 1,222,149.64