Finding the Third Proportional to 72,865 and 156,907

Step by Step Solution

1. Step 1: Write the proportion equation
   72,865 : 156,907 = 156,907 : x
2. Step 2: Convert to fraction form
   72,865/156,907 = 156,907/x
3. Step 3: Cross multiply
   72,865x = 156,907 × 156,907
4. Step 4: Simplify right side
   72,865x = 24,619,806,649
5. Step 5: Solve for x
   x = 24,619,806,649/72,865
6. Step 6: Final answer
   x = 337,882.48