Finding the Third Proportional to 498,819 and 746,260.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,819 : 746,260.50 = 746,260.50 : x
2. Step 2: Convert to fraction form
   498,819/746,260.50 = 746,260.50/x
3. Step 3: Cross multiply
   498,819x = 746,260.50 × 746,260.50
4. Step 4: Simplify right side
   498,819x = 556,904,733,860.25
5. Step 5: Solve for x
   x = 556,904,733,860.25/498,819
6. Step 6: Final answer
   x = 1,116,446.51