Finding the Third Proportional to 112,789 and 158,691.75

Step by Step Solution

1. Step 1: Write the proportion equation
   112,789 : 158,691.75 = 158,691.75 : x
2. Step 2: Convert to fraction form
   112,789/158,691.75 = 158,691.75/x
3. Step 3: Cross multiply
   112,789x = 158,691.75 × 158,691.75
4. Step 4: Simplify right side
   112,789x = 25,183,071,518.06
5. Step 5: Solve for x
   x = 25,183,071,518.06/112,789
6. Step 6: Final answer
   x = 223,275.95