Finding the Third Proportional to 73,205.25 and 109,519.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,205.25 : 109,519.50 = 109,519.50 : x
2. Step 2: Convert to fraction form
   73,205.25/109,519.50 = 109,519.50/x
3. Step 3: Cross multiply
   73,205.25x = 109,519.50 × 109,519.50
4. Step 4: Simplify right side
   73,205.25x = 11,994,520,880.25
5. Step 5: Solve for x
   x = 11,994,520,880.25/73,205.25
6. Step 6: Final answer
   x = 163,847.82