Finding the Third Proportional to 112,123 and 168,508.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,123 : 168,508.50 = 168,508.50 : x
2. Step 2: Convert to fraction form
   112,123/168,508.50 = 168,508.50/x
3. Step 3: Cross multiply
   112,123x = 168,508.50 × 168,508.50
4. Step 4: Simplify right side
   112,123x = 28,395,114,572.25
5. Step 5: Solve for x
   x = 28,395,114,572.25/112,123
6. Step 6: Final answer
   x = 253,249.69