Finding the Third Proportional to 101,872.69 and 111,096.56

Step by Step Solution

1. Step 1: Write the proportion equation
   101,872.69 : 111,096.56 = 111,096.56 : x
2. Step 2: Convert to fraction form
   101,872.69/111,096.56 = 111,096.56/x
3. Step 3: Cross multiply
   101,872.69x = 111,096.56 × 111,096.56
4. Step 4: Simplify right side
   101,872.69x = 12,342,446,199.32
5. Step 5: Solve for x
   x = 12,342,446,199.32/101,872.69
6. Step 6: Final answer
   x = 121,155.60