Finding the Third Proportional to 72,788 and 154,326

Step by Step Solution

1. Step 1: Write the proportion equation
   72,788 : 154,326 = 154,326 : x
2. Step 2: Convert to fraction form
   72,788/154,326 = 154,326/x
3. Step 3: Cross multiply
   72,788x = 154,326 × 154,326
4. Step 4: Simplify right side
   72,788x = 23,816,514,276
5. Step 5: Solve for x
   x = 23,816,514,276/72,788
6. Step 6: Final answer
   x = 327,203.86