Finding the Third Proportional to 109,477.50 and 166,272

Step by Step Solution

1. Step 1: Write the proportion equation
   109,477.50 : 166,272 = 166,272 : x
2. Step 2: Convert to fraction form
   109,477.50/166,272 = 166,272/x
3. Step 3: Cross multiply
   109,477.50x = 166,272 × 166,272
4. Step 4: Simplify right side
   109,477.50x = 27,646,377,984
5. Step 5: Solve for x
   x = 27,646,377,984/109,477.50
6. Step 6: Final answer
   x = 252,530.23