Finding the Third Proportional to 72,924.50 and 109,388.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,924.50 : 109,388.50 = 109,388.50 : x
2. Step 2: Convert to fraction form
   72,924.50/109,388.50 = 109,388.50/x
3. Step 3: Cross multiply
   72,924.50x = 109,388.50 × 109,388.50
4. Step 4: Simplify right side
   72,924.50x = 11,965,843,932.25
5. Step 5: Solve for x
   x = 11,965,843,932.25/72,924.50
6. Step 6: Final answer
   x = 164,085.38