Finding the Third Proportional to 71,383 and 156,890

Step by Step Solution

1. Step 1: Write the proportion equation
   71,383 : 156,890 = 156,890 : x
2. Step 2: Convert to fraction form
   71,383/156,890 = 156,890/x
3. Step 3: Cross multiply
   71,383x = 156,890 × 156,890
4. Step 4: Simplify right side
   71,383x = 24,614,472,100
5. Step 5: Solve for x
   x = 24,614,472,100/71,383
6. Step 6: Final answer
   x = 344,822.61