Finding the Third Proportional to 303,904.50 and 661,323

Step by Step Solution

1. Step 1: Write the proportion equation
   303,904.50 : 661,323 = 661,323 : x
2. Step 2: Convert to fraction form
   303,904.50/661,323 = 661,323/x
3. Step 3: Cross multiply
   303,904.50x = 661,323 × 661,323
4. Step 4: Simplify right side
   303,904.50x = 437,348,110,329
5. Step 5: Solve for x
   x = 437,348,110,329/303,904.50
6. Step 6: Final answer
   x = 1,439,097.18