Finding the Third Proportional to 112,590 and 158,355

Step by Step Solution

1. Step 1: Write the proportion equation
   112,590 : 158,355 = 158,355 : x
2. Step 2: Convert to fraction form
   112,590/158,355 = 158,355/x
3. Step 3: Cross multiply
   112,590x = 158,355 × 158,355
4. Step 4: Simplify right side
   112,590x = 25,076,306,025
5. Step 5: Solve for x
   x = 25,076,306,025/112,590
6. Step 6: Final answer
   x = 222,722.32