Finding the Third Proportional to 89,726 and 188,746

Step by Step Solution

1. Step 1: Write the proportion equation
   89,726 : 188,746 = 188,746 : x
2. Step 2: Convert to fraction form
   89,726/188,746 = 188,746/x
3. Step 3: Cross multiply
   89,726x = 188,746 × 188,746
4. Step 4: Simplify right side
   89,726x = 35,625,052,516
5. Step 5: Solve for x
   x = 35,625,052,516/89,726
6. Step 6: Final answer
   x = 397,042.69