Finding the Third Proportional to 510,900 and 773,426

Step by Step Solution

1. Step 1: Write the proportion equation
   510,900 : 773,426 = 773,426 : x
2. Step 2: Convert to fraction form
   510,900/773,426 = 773,426/x
3. Step 3: Cross multiply
   510,900x = 773,426 × 773,426
4. Step 4: Simplify right side
   510,900x = 598,187,777,476
5. Step 5: Solve for x
   x = 598,187,777,476/510,900
6. Step 6: Final answer
   x = 1,170,851.00