Finding the Third Proportional to 72,108 and 156,383

Step by Step Solution

1. Step 1: Write the proportion equation
   72,108 : 156,383 = 156,383 : x
2. Step 2: Convert to fraction form
   72,108/156,383 = 156,383/x
3. Step 3: Cross multiply
   72,108x = 156,383 × 156,383
4. Step 4: Simplify right side
   72,108x = 24,455,642,689
5. Step 5: Solve for x
   x = 24,455,642,689/72,108
6. Step 6: Final answer
   x = 339,152.97