Finding the Third Proportional to 418,088 and 903,256

Step by Step Solution

1. Step 1: Write the proportion equation
   418,088 : 903,256 = 903,256 : x
2. Step 2: Convert to fraction form
   418,088/903,256 = 903,256/x
3. Step 3: Cross multiply
   418,088x = 903,256 × 903,256
4. Step 4: Simplify right side
   418,088x = 815,871,401,536
5. Step 5: Solve for x
   x = 815,871,401,536/418,088
6. Step 6: Final answer
   x = 1,951,434.63