Finding the Third Proportional to 155,458.50 and 228,087

Step by Step Solution

1. Step 1: Write the proportion equation
   155,458.50 : 228,087 = 228,087 : x
2. Step 2: Convert to fraction form
   155,458.50/228,087 = 228,087/x
3. Step 3: Cross multiply
   155,458.50x = 228,087 × 228,087
4. Step 4: Simplify right side
   155,458.50x = 52,023,679,569
5. Step 5: Solve for x
   x = 52,023,679,569/155,458.50
6. Step 6: Final answer
   x = 334,646.74