Finding the Third Proportional to 179,721 and 238,477.50

Step by Step Solution

1. Step 1: Write the proportion equation
   179,721 : 238,477.50 = 238,477.50 : x
2. Step 2: Convert to fraction form
   179,721/238,477.50 = 238,477.50/x
3. Step 3: Cross multiply
   179,721x = 238,477.50 × 238,477.50
4. Step 4: Simplify right side
   179,721x = 56,871,518,006.25
5. Step 5: Solve for x
   x = 56,871,518,006.25/179,721
6. Step 6: Final answer
   x = 316,443.37