Finding the Third Proportional to 72,999 and 156,908

Step by Step Solution

1. Step 1: Write the proportion equation
   72,999 : 156,908 = 156,908 : x
2. Step 2: Convert to fraction form
   72,999/156,908 = 156,908/x
3. Step 3: Cross multiply
   72,999x = 156,908 × 156,908
4. Step 4: Simplify right side
   72,999x = 24,620,120,464
5. Step 5: Solve for x
   x = 24,620,120,464/72,999
6. Step 6: Final answer
   x = 337,266.54