Finding the Third Proportional to 72,806 and 158,788

Step by Step Solution

1. Step 1: Write the proportion equation
   72,806 : 158,788 = 158,788 : x
2. Step 2: Convert to fraction form
   72,806/158,788 = 158,788/x
3. Step 3: Cross multiply
   72,806x = 158,788 × 158,788
4. Step 4: Simplify right side
   72,806x = 25,213,628,944
5. Step 5: Solve for x
   x = 25,213,628,944/72,806
6. Step 6: Final answer
   x = 346,312.51