Finding the Third Proportional to 109,212.50 and 164,821

Step by Step Solution

1. Step 1: Write the proportion equation
   109,212.50 : 164,821 = 164,821 : x
2. Step 2: Convert to fraction form
   109,212.50/164,821 = 164,821/x
3. Step 3: Cross multiply
   109,212.50x = 164,821 × 164,821
4. Step 4: Simplify right side
   109,212.50x = 27,165,962,041
5. Step 5: Solve for x
   x = 27,165,962,041/109,212.50
6. Step 6: Final answer
   x = 248,744.07