Finding the Third Proportional to 525,107.25 and 814,662

Step by Step Solution

1. Step 1: Write the proportion equation
   525,107.25 : 814,662 = 814,662 : x
2. Step 2: Convert to fraction form
   525,107.25/814,662 = 814,662/x
3. Step 3: Cross multiply
   525,107.25x = 814,662 × 814,662
4. Step 4: Simplify right side
   525,107.25x = 663,674,174,244
5. Step 5: Solve for x
   x = 663,674,174,244/525,107.25
6. Step 6: Final answer
   x = 1,263,883.09