Finding the Third Proportional to 303,240 and 475,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,240 : 475,636.50 = 475,636.50 : x
2. Step 2: Convert to fraction form
   303,240/475,636.50 = 475,636.50/x
3. Step 3: Cross multiply
   303,240x = 475,636.50 × 475,636.50
4. Step 4: Simplify right side
   303,240x = 226,230,080,132.25
5. Step 5: Solve for x
   x = 226,230,080,132.25/303,240
6. Step 6: Final answer
   x = 746,043.00