Finding the Third Proportional to 69,868.69 and 110,817.56

Step by Step Solution

1. Step 1: Write the proportion equation
   69,868.69 : 110,817.56 = 110,817.56 : x
2. Step 2: Convert to fraction form
   69,868.69/110,817.56 = 110,817.56/x
3. Step 3: Cross multiply
   69,868.69x = 110,817.56 × 110,817.56
4. Step 4: Simplify right side
   69,868.69x = 12,280,532,158.44
5. Step 5: Solve for x
   x = 12,280,532,158.44/69,868.69
6. Step 6: Final answer
   x = 175,765.89