Finding the Third Proportional to 71,809 and 156,064

Step by Step Solution

1. Step 1: Write the proportion equation
   71,809 : 156,064 = 156,064 : x
2. Step 2: Convert to fraction form
   71,809/156,064 = 156,064/x
3. Step 3: Cross multiply
   71,809x = 156,064 × 156,064
4. Step 4: Simplify right side
   71,809x = 24,355,972,096
5. Step 5: Solve for x
   x = 24,355,972,096/71,809
6. Step 6: Final answer
   x = 339,177.15