Finding the Third Proportional to 71,653.50 and 110,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,653.50 : 110,488.50 = 110,488.50 : x
2. Step 2: Convert to fraction form
   71,653.50/110,488.50 = 110,488.50/x
3. Step 3: Cross multiply
   71,653.50x = 110,488.50 × 110,488.50
4. Step 4: Simplify right side
   71,653.50x = 12,207,708,632.25
5. Step 5: Solve for x
   x = 12,207,708,632.25/71,653.50
6. Step 6: Final answer
   x = 170,371.42