Finding the Third Proportional to 498,253 and 773,610

Step by Step Solution

1. Step 1: Write the proportion equation
   498,253 : 773,610 = 773,610 : x
2. Step 2: Convert to fraction form
   498,253/773,610 = 773,610/x
3. Step 3: Cross multiply
   498,253x = 773,610 × 773,610
4. Step 4: Simplify right side
   498,253x = 598,472,432,100
5. Step 5: Solve for x
   x = 598,472,432,100/498,253
6. Step 6: Final answer
   x = 1,201,141.65