Finding the Third Proportional to 156,935 and 322,142

Step by Step Solution

1. Step 1: Write the proportion equation
   156,935 : 322,142 = 322,142 : x
2. Step 2: Convert to fraction form
   156,935/322,142 = 322,142/x
3. Step 3: Cross multiply
   156,935x = 322,142 × 322,142
4. Step 4: Simplify right side
   156,935x = 103,775,468,164
5. Step 5: Solve for x
   x = 103,775,468,164/156,935
6. Step 6: Final answer
   x = 661,264.01