Finding the Third Proportional to 422,826.75 and 654,426

Step by Step Solution

1. Step 1: Write the proportion equation
   422,826.75 : 654,426 = 654,426 : x
2. Step 2: Convert to fraction form
   422,826.75/654,426 = 654,426/x
3. Step 3: Cross multiply
   422,826.75x = 654,426 × 654,426
4. Step 4: Simplify right side
   422,826.75x = 428,273,389,476
5. Step 5: Solve for x
   x = 428,273,389,476/422,826.75
6. Step 6: Final answer
   x = 1,012,881.49