Finding the Third Proportional to 112,387 and 158,090

Step by Step Solution

1. Step 1: Write the proportion equation
   112,387 : 158,090 = 158,090 : x
2. Step 2: Convert to fraction form
   112,387/158,090 = 158,090/x
3. Step 3: Cross multiply
   112,387x = 158,090 × 158,090
4. Step 4: Simplify right side
   112,387x = 24,992,448,100
5. Step 5: Solve for x
   x = 24,992,448,100/112,387
6. Step 6: Final answer
   x = 222,378.46