Finding the Third Proportional to 129,242 and 188,850

Step by Step Solution

1. Step 1: Write the proportion equation
   129,242 : 188,850 = 188,850 : x
2. Step 2: Convert to fraction form
   129,242/188,850 = 188,850/x
3. Step 3: Cross multiply
   129,242x = 188,850 × 188,850
4. Step 4: Simplify right side
   129,242x = 35,664,322,500
5. Step 5: Solve for x
   x = 35,664,322,500/129,242
6. Step 6: Final answer
   x = 275,949.94