Finding the Third Proportional to 81,910.50 and 110,070

Step by Step Solution

1. Step 1: Write the proportion equation
   81,910.50 : 110,070 = 110,070 : x
2. Step 2: Convert to fraction form
   81,910.50/110,070 = 110,070/x
3. Step 3: Cross multiply
   81,910.50x = 110,070 × 110,070
4. Step 4: Simplify right side
   81,910.50x = 12,115,404,900
5. Step 5: Solve for x
   x = 12,115,404,900/81,910.50
6. Step 6: Final answer
   x = 147,910.28