Finding the Third Proportional to 81,389.81 and 126,010.69

Step by Step Solution

1. Step 1: Write the proportion equation
   81,389.81 : 126,010.69 = 126,010.69 : x
2. Step 2: Convert to fraction form
   81,389.81/126,010.69 = 126,010.69/x
3. Step 3: Cross multiply
   81,389.81x = 126,010.69 × 126,010.69
4. Step 4: Simplify right side
   81,389.81x = 15,878,693,364.22
5. Step 5: Solve for x
   x = 15,878,693,364.22/81,389.81
6. Step 6: Final answer
   x = 195,094.36