Finding the Third Proportional to 165,711 and 248,566.50

Step by Step Solution

1. Step 1: Write the proportion equation
   165,711 : 248,566.50 = 248,566.50 : x
2. Step 2: Convert to fraction form
   165,711/248,566.50 = 248,566.50/x
3. Step 3: Cross multiply
   165,711x = 248,566.50 × 248,566.50
4. Step 4: Simplify right side
   165,711x = 61,785,304,922.25
5. Step 5: Solve for x
   x = 61,785,304,922.25/165,711
6. Step 6: Final answer
   x = 372,849.75