Finding the Third Proportional to 303,802.50 and 664,818

Step by Step Solution

1. Step 1: Write the proportion equation
   303,802.50 : 664,818 = 664,818 : x
2. Step 2: Convert to fraction form
   303,802.50/664,818 = 664,818/x
3. Step 3: Cross multiply
   303,802.50x = 664,818 × 664,818
4. Step 4: Simplify right side
   303,802.50x = 441,982,973,124
5. Step 5: Solve for x
   x = 441,982,973,124/303,802.50
6. Step 6: Final answer
   x = 1,454,836.52