Finding the Third Proportional to 303,631.50 and 490,986

Step by Step Solution

1. Step 1: Write the proportion equation
   303,631.50 : 490,986 = 490,986 : x
2. Step 2: Convert to fraction form
   303,631.50/490,986 = 490,986/x
3. Step 3: Cross multiply
   303,631.50x = 490,986 × 490,986
4. Step 4: Simplify right side
   303,631.50x = 241,067,252,196
5. Step 5: Solve for x
   x = 241,067,252,196/303,631.50
6. Step 6: Final answer
   x = 793,946.78