Finding the Third Proportional to 81,738 and 110,940

Step by Step Solution

1. Step 1: Write the proportion equation
   81,738 : 110,940 = 110,940 : x
2. Step 2: Convert to fraction form
   81,738/110,940 = 110,940/x
3. Step 3: Cross multiply
   81,738x = 110,940 × 110,940
4. Step 4: Simplify right side
   81,738x = 12,307,683,600
5. Step 5: Solve for x
   x = 12,307,683,600/81,738
6. Step 6: Final answer
   x = 150,574.81