Finding the Third Proportional to 69,558.75 and 111,997.69

Step by Step Solution

1. Step 1: Write the proportion equation
   69,558.75 : 111,997.69 = 111,997.69 : x
2. Step 2: Convert to fraction form
   69,558.75/111,997.69 = 111,997.69/x
3. Step 3: Cross multiply
   69,558.75x = 111,997.69 × 111,997.69
4. Step 4: Simplify right side
   69,558.75x = 12,543,482,005.35
5. Step 5: Solve for x
   x = 12,543,482,005.35/69,558.75
6. Step 6: Final answer
   x = 180,329.32