Finding the Third Proportional to 156,954 and 322,250

Step by Step Solution

1. Step 1: Write the proportion equation
   156,954 : 322,250 = 322,250 : x
2. Step 2: Convert to fraction form
   156,954/322,250 = 322,250/x
3. Step 3: Cross multiply
   156,954x = 322,250 × 322,250
4. Step 4: Simplify right side
   156,954x = 103,845,062,500
5. Step 5: Solve for x
   x = 103,845,062,500/156,954
6. Step 6: Final answer
   x = 661,627.37