Finding the Third Proportional to 81,915 and 110,076.75

Step by Step Solution

1. Step 1: Write the proportion equation
   81,915 : 110,076.75 = 110,076.75 : x
2. Step 2: Convert to fraction form
   81,915/110,076.75 = 110,076.75/x
3. Step 3: Cross multiply
   81,915x = 110,076.75 × 110,076.75
4. Step 4: Simplify right side
   81,915x = 12,116,890,890.56
5. Step 5: Solve for x
   x = 12,116,890,890.56/81,915
6. Step 6: Final answer
   x = 147,920.29