Finding the Third Proportional to 73,137 and 109,225.50

Step by Step Solution

1. Step 1: Write the proportion equation
   73,137 : 109,225.50 = 109,225.50 : x
2. Step 2: Convert to fraction form
   73,137/109,225.50 = 109,225.50/x
3. Step 3: Cross multiply
   73,137x = 109,225.50 × 109,225.50
4. Step 4: Simplify right side
   73,137x = 11,930,209,850.25
5. Step 5: Solve for x
   x = 11,930,209,850.25/73,137
6. Step 6: Final answer
   x = 163,121.40