Finding the Third Proportional to 112,686 and 175,488.75

Step by Step Solution

1. Step 1: Write the proportion equation
   112,686 : 175,488.75 = 175,488.75 : x
2. Step 2: Convert to fraction form
   112,686/175,488.75 = 175,488.75/x
3. Step 3: Cross multiply
   112,686x = 175,488.75 × 175,488.75
4. Step 4: Simplify right side
   112,686x = 30,796,301,376.56
5. Step 5: Solve for x
   x = 30,796,301,376.56/112,686
6. Step 6: Final answer
   x = 273,293.06