Finding the Third Proportional to 243,003 and 498,030

Step by Step Solution

1. Step 1: Write the proportion equation
   243,003 : 498,030 = 498,030 : x
2. Step 2: Convert to fraction form
   243,003/498,030 = 498,030/x
3. Step 3: Cross multiply
   243,003x = 498,030 × 498,030
4. Step 4: Simplify right side
   243,003x = 248,033,880,900
5. Step 5: Solve for x
   x = 248,033,880,900/243,003
6. Step 6: Final answer
   x = 1,020,702.96