Finding the Third Proportional to 111,787.88 and 166,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,787.88 : 166,162.50 = 166,162.50 : x
2. Step 2: Convert to fraction form
   111,787.88/166,162.50 = 166,162.50/x
3. Step 3: Cross multiply
   111,787.88x = 166,162.50 × 166,162.50
4. Step 4: Simplify right side
   111,787.88x = 27,609,976,406.25
5. Step 5: Solve for x
   x = 27,609,976,406.25/111,787.88
6. Step 6: Final answer
   x = 246,985.43