Finding the Third Proportional to 72,653 and 156,976

Step by Step Solution

1. Step 1: Write the proportion equation
   72,653 : 156,976 = 156,976 : x
2. Step 2: Convert to fraction form
   72,653/156,976 = 156,976/x
3. Step 3: Cross multiply
   72,653x = 156,976 × 156,976
4. Step 4: Simplify right side
   72,653x = 24,641,464,576
5. Step 5: Solve for x
   x = 24,641,464,576/72,653
6. Step 6: Final answer
   x = 339,166.51