Finding the Third Proportional to 80,953.17 and 105,841.69

Step by Step Solution

1. Step 1: Write the proportion equation
   80,953.17 : 105,841.69 = 105,841.69 : x
2. Step 2: Convert to fraction form
   80,953.17/105,841.69 = 105,841.69/x
3. Step 3: Cross multiply
   80,953.17x = 105,841.69 × 105,841.69
4. Step 4: Simplify right side
   80,953.17x = 11,202,462,812.85
5. Step 5: Solve for x
   x = 11,202,462,812.85/80,953.17
6. Step 6: Final answer
   x = 138,382.01