Finding the Third Proportional to 304,579.50 and 446,478

Step by Step Solution

1. Step 1: Write the proportion equation
   304,579.50 : 446,478 = 446,478 : x
2. Step 2: Convert to fraction form
   304,579.50/446,478 = 446,478/x
3. Step 3: Cross multiply
   304,579.50x = 446,478 × 446,478
4. Step 4: Simplify right side
   304,579.50x = 199,342,604,484
5. Step 5: Solve for x
   x = 199,342,604,484/304,579.50
6. Step 6: Final answer
   x = 654,484.64