Finding the Third Proportional to 304,585 and 446,485.50

Step by Step Solution

1. Step 1: Write the proportion equation
   304,585 : 446,485.50 = 446,485.50 : x
2. Step 2: Convert to fraction form
   304,585/446,485.50 = 446,485.50/x
3. Step 3: Cross multiply
   304,585x = 446,485.50 × 446,485.50
4. Step 4: Simplify right side
   304,585x = 199,349,301,710.25
5. Step 5: Solve for x
   x = 199,349,301,710.25/304,585
6. Step 6: Final answer
   x = 654,494.81