Finding the Third Proportional to 303,550 and 445,483.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,550 : 445,483.50 = 445,483.50 : x
2. Step 2: Convert to fraction form
   303,550/445,483.50 = 445,483.50/x
3. Step 3: Cross multiply
   303,550x = 445,483.50 × 445,483.50
4. Step 4: Simplify right side
   303,550x = 198,455,548,772.25
5. Step 5: Solve for x
   x = 198,455,548,772.25/303,550
6. Step 6: Final answer
   x = 653,782.07