Finding the Third Proportional to 147,976 and 320,850

Step by Step Solution

1. Step 1: Write the proportion equation
   147,976 : 320,850 = 320,850 : x
2. Step 2: Convert to fraction form
   147,976/320,850 = 320,850/x
3. Step 3: Cross multiply
   147,976x = 320,850 × 320,850
4. Step 4: Simplify right side
   147,976x = 102,944,722,500
5. Step 5: Solve for x
   x = 102,944,722,500/147,976
6. Step 6: Final answer
   x = 695,685.26