Finding the Third Proportional to 162,765 and 251,995.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,765 : 251,995.50 = 251,995.50 : x
2. Step 2: Convert to fraction form
   162,765/251,995.50 = 251,995.50/x
3. Step 3: Cross multiply
   162,765x = 251,995.50 × 251,995.50
4. Step 4: Simplify right side
   162,765x = 63,501,732,020.25
5. Step 5: Solve for x
   x = 63,501,732,020.25/162,765
6. Step 6: Final answer
   x = 390,143.66