Finding the Third Proportional to 72,999 and 156,906

Step by Step Solution

1. Step 1: Write the proportion equation
   72,999 : 156,906 = 156,906 : x
2. Step 2: Convert to fraction form
   72,999/156,906 = 156,906/x
3. Step 3: Cross multiply
   72,999x = 156,906 × 156,906
4. Step 4: Simplify right side
   72,999x = 24,619,492,836
5. Step 5: Solve for x
   x = 24,619,492,836/72,999
6. Step 6: Final answer
   x = 337,257.95