Finding the Third Proportional to 109,657.50 and 164,043

Step by Step Solution

1. Step 1: Write the proportion equation
   109,657.50 : 164,043 = 164,043 : x
2. Step 2: Convert to fraction form
   109,657.50/164,043 = 164,043/x
3. Step 3: Cross multiply
   109,657.50x = 164,043 × 164,043
4. Step 4: Simplify right side
   109,657.50x = 26,910,105,849
5. Step 5: Solve for x
   x = 26,910,105,849/109,657.50
6. Step 6: Final answer
   x = 245,401.42