Finding the Third Proportional to 155,128.50 and 227,763

Step by Step Solution

1. Step 1: Write the proportion equation
   155,128.50 : 227,763 = 227,763 : x
2. Step 2: Convert to fraction form
   155,128.50/227,763 = 227,763/x
3. Step 3: Cross multiply
   155,128.50x = 227,763 × 227,763
4. Step 4: Simplify right side
   155,128.50x = 51,875,984,169
5. Step 5: Solve for x
   x = 51,875,984,169/155,128.50
6. Step 6: Final answer
   x = 334,406.54