Finding the Third Proportional to 108,961.50 and 166,611

Step by Step Solution

1. Step 1: Write the proportion equation
   108,961.50 : 166,611 = 166,611 : x
2. Step 2: Convert to fraction form
   108,961.50/166,611 = 166,611/x
3. Step 3: Cross multiply
   108,961.50x = 166,611 × 166,611
4. Step 4: Simplify right side
   108,961.50x = 27,759,225,321
5. Step 5: Solve for x
   x = 27,759,225,321/108,961.50
6. Step 6: Final answer
   x = 254,761.78