Finding the Third Proportional to 149,499 and 228,919.50

Step by Step Solution

1. Step 1: Write the proportion equation
   149,499 : 228,919.50 = 228,919.50 : x
2. Step 2: Convert to fraction form
   149,499/228,919.50 = 228,919.50/x
3. Step 3: Cross multiply
   149,499x = 228,919.50 × 228,919.50
4. Step 4: Simplify right side
   149,499x = 52,404,137,480.25
5. Step 5: Solve for x
   x = 52,404,137,480.25/149,499
6. Step 6: Final answer
   x = 350,531.69