Finding the Third Proportional to 51,733.69 and 81,207.56

Step by Step Solution

1. Step 1: Write the proportion equation
   51,733.69 : 81,207.56 = 81,207.56 : x
2. Step 2: Convert to fraction form
   51,733.69/81,207.56 = 81,207.56/x
3. Step 3: Cross multiply
   51,733.69x = 81,207.56 × 81,207.56
4. Step 4: Simplify right side
   51,733.69x = 6,594,668,207.19
5. Step 5: Solve for x
   x = 6,594,668,207.19/51,733.69
6. Step 6: Final answer
   x = 127,473.38