Finding the Third Proportional to 81,488.53 and 126,069.89

Step by Step Solution

1. Step 1: Write the proportion equation
   81,488.53 : 126,069.89 = 126,069.89 : x
2. Step 2: Convert to fraction form
   81,488.53/126,069.89 = 126,069.89/x
3. Step 3: Cross multiply
   81,488.53x = 126,069.89 × 126,069.89
4. Step 4: Simplify right side
   81,488.53x = 15,893,617,322.20
5. Step 5: Solve for x
   x = 15,893,617,322.20/81,488.53
6. Step 6: Final answer
   x = 195,041.16