Finding the Third Proportional to 155,542.50 and 228,210

Step by Step Solution

1. Step 1: Write the proportion equation
   155,542.50 : 228,210 = 228,210 : x
2. Step 2: Convert to fraction form
   155,542.50/228,210 = 228,210/x
3. Step 3: Cross multiply
   155,542.50x = 228,210 × 228,210
4. Step 4: Simplify right side
   155,542.50x = 52,079,804,100
5. Step 5: Solve for x
   x = 52,079,804,100/155,542.50
6. Step 6: Final answer
   x = 334,826.84