Finding the Third Proportional to 109,410.75 and 166,364.72

Step by Step Solution

1. Step 1: Write the proportion equation
   109,410.75 : 166,364.72 = 166,364.72 : x
2. Step 2: Convert to fraction form
   109,410.75/166,364.72 = 166,364.72/x
3. Step 3: Cross multiply
   109,410.75x = 166,364.72 × 166,364.72
4. Step 4: Simplify right side
   109,410.75x = 27,677,219,644.77
5. Step 5: Solve for x
   x = 27,677,219,644.77/109,410.75
6. Step 6: Final answer
   x = 252,966.18