Finding the Third Proportional to 498,588 and 773,484

Step by Step Solution

1. Step 1: Write the proportion equation
   498,588 : 773,484 = 773,484 : x
2. Step 2: Convert to fraction form
   498,588/773,484 = 773,484/x
3. Step 3: Cross multiply
   498,588x = 773,484 × 773,484
4. Step 4: Simplify right side
   498,588x = 598,277,498,256
5. Step 5: Solve for x
   x = 598,277,498,256/498,588
6. Step 6: Final answer
   x = 1,199,943.64