Finding the Third Proportional to 72,850 and 158,939

Step by Step Solution

1. Step 1: Write the proportion equation
   72,850 : 158,939 = 158,939 : x
2. Step 2: Convert to fraction form
   72,850/158,939 = 158,939/x
3. Step 3: Cross multiply
   72,850x = 158,939 × 158,939
4. Step 4: Simplify right side
   72,850x = 25,261,605,721
5. Step 5: Solve for x
   x = 25,261,605,721/72,850
6. Step 6: Final answer
   x = 346,761.92