Finding the Third Proportional to 227,191.50 and 356,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   227,191.50 : 356,425.50 = 356,425.50 : x
2. Step 2: Convert to fraction form
   227,191.50/356,425.50 = 356,425.50/x
3. Step 3: Cross multiply
   227,191.50x = 356,425.50 × 356,425.50
4. Step 4: Simplify right side
   227,191.50x = 127,039,137,050.25
5. Step 5: Solve for x
   x = 127,039,137,050.25/227,191.50
6. Step 6: Final answer
   x = 559,172.05