Finding the Third Proportional to 498,246 and 773,616.75

Step by Step Solution

1. Step 1: Write the proportion equation
   498,246 : 773,616.75 = 773,616.75 : x
2. Step 2: Convert to fraction form
   498,246/773,616.75 = 773,616.75/x
3. Step 3: Cross multiply
   498,246x = 773,616.75 × 773,616.75
4. Step 4: Simplify right side
   498,246x = 598,482,875,880.56
5. Step 5: Solve for x
   x = 598,482,875,880.56/498,246
6. Step 6: Final answer
   x = 1,201,179.49