Finding the Third Proportional to 267,709 and 356,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   267,709 : 356,905.50 = 356,905.50 : x
2. Step 2: Convert to fraction form
   267,709/356,905.50 = 356,905.50/x
3. Step 3: Cross multiply
   267,709x = 356,905.50 × 356,905.50
4. Step 4: Simplify right side
   267,709x = 127,381,535,930.25
5. Step 5: Solve for x
   x = 127,381,535,930.25/267,709
6. Step 6: Final answer
   x = 475,820.89