Finding the Third Proportional to 162,391.50 and 356,614.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,391.50 : 356,614.50 = 356,614.50 : x
2. Step 2: Convert to fraction form
   162,391.50/356,614.50 = 356,614.50/x
3. Step 3: Cross multiply
   162,391.50x = 356,614.50 × 356,614.50
4. Step 4: Simplify right side
   162,391.50x = 127,173,901,610.25
5. Step 5: Solve for x
   x = 127,173,901,610.25/162,391.50
6. Step 6: Final answer
   x = 783,131.52