Finding the Third Proportional to 79,967.50 and 171,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,967.50 : 171,007.50 = 171,007.50 : x
2. Step 2: Convert to fraction form
   79,967.50/171,007.50 = 171,007.50/x
3. Step 3: Cross multiply
   79,967.50x = 171,007.50 × 171,007.50
4. Step 4: Simplify right side
   79,967.50x = 29,243,565,056.25
5. Step 5: Solve for x
   x = 29,243,565,056.25/79,967.50
6. Step 6: Final answer
   x = 365,693.13