Finding the Third Proportional to 143,362.41 and 298,479.94

Step by Step Solution

1. Step 1: Write the proportion equation
   143,362.41 : 298,479.94 = 298,479.94 : x
2. Step 2: Convert to fraction form
   143,362.41/298,479.94 = 298,479.94/x
3. Step 3: Cross multiply
   143,362.41x = 298,479.94 × 298,479.94
4. Step 4: Simplify right side
   143,362.41x = 89,090,273,090.00
5. Step 5: Solve for x
   x = 89,090,273,090.00/143,362.41
6. Step 6: Final answer
   x = 621,434.00