Finding the Third Proportional to 149,469 and 228,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,469 : 228,581.50 = 228,581.50 : x
2. Step 2: Convert to fraction form
   149,469/228,581.50 = 228,581.50/x
3. Step 3: Cross multiply
   149,469x = 228,581.50 × 228,581.50
4. Step 4: Simplify right side
   149,469x = 52,249,502,142.25
5. Step 5: Solve for x
   x = 52,249,502,142.25/149,469
6. Step 6: Final answer
   x = 349,567.48