Finding the Third Proportional to 170,142 and 251,323.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,142 : 251,323.50 = 251,323.50 : x
2. Step 2: Convert to fraction form
   170,142/251,323.50 = 251,323.50/x
3. Step 3: Cross multiply
   170,142x = 251,323.50 × 251,323.50
4. Step 4: Simplify right side
   170,142x = 63,163,501,652.25
5. Step 5: Solve for x
   x = 63,163,501,652.25/170,142
6. Step 6: Final answer
   x = 371,239.92