Finding the Third Proportional to 525,554 and 801,454

Step by Step Solution

1. Step 1: Write the proportion equation
   525,554 : 801,454 = 801,454 : x
2. Step 2: Convert to fraction form
   525,554/801,454 = 801,454/x
3. Step 3: Cross multiply
   525,554x = 801,454 × 801,454
4. Step 4: Simplify right side
   525,554x = 642,328,514,116
5. Step 5: Solve for x
   x = 642,328,514,116/525,554
6. Step 6: Final answer
   x = 1,222,193.18