Finding the Third Proportional to 72,910 and 156,673

Step by Step Solution

1. Step 1: Write the proportion equation
   72,910 : 156,673 = 156,673 : x
2. Step 2: Convert to fraction form
   72,910/156,673 = 156,673/x
3. Step 3: Cross multiply
   72,910x = 156,673 × 156,673
4. Step 4: Simplify right side
   72,910x = 24,546,428,929
5. Step 5: Solve for x
   x = 24,546,428,929/72,910
6. Step 6: Final answer
   x = 336,667.52