Finding the Third Proportional to 79,384 and 171,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,384 : 171,231.50 = 171,231.50 : x
2. Step 2: Convert to fraction form
   79,384/171,231.50 = 171,231.50/x
3. Step 3: Cross multiply
   79,384x = 171,231.50 × 171,231.50
4. Step 4: Simplify right side
   79,384x = 29,320,226,592.25
5. Step 5: Solve for x
   x = 29,320,226,592.25/79,384
6. Step 6: Final answer
   x = 369,346.80