Finding the Third Proportional to 51,981.75 and 82,636.88

Step by Step Solution

1. Step 1: Write the proportion equation
   51,981.75 : 82,636.88 = 82,636.88 : x
2. Step 2: Convert to fraction form
   51,981.75/82,636.88 = 82,636.88/x
3. Step 3: Cross multiply
   51,981.75x = 82,636.88 × 82,636.88
4. Step 4: Simplify right side
   51,981.75x = 6,828,853,109.77
5. Step 5: Solve for x
   x = 6,828,853,109.77/51,981.75
6. Step 6: Final answer
   x = 131,370.20