Finding the Third Proportional to 81,732 and 126,607.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,732 : 126,607.50 = 126,607.50 : x
2. Step 2: Convert to fraction form
   81,732/126,607.50 = 126,607.50/x
3. Step 3: Cross multiply
   81,732x = 126,607.50 × 126,607.50
4. Step 4: Simplify right side
   81,732x = 16,029,459,056.25
5. Step 5: Solve for x
   x = 16,029,459,056.25/81,732
6. Step 6: Final answer
   x = 196,122.19