Finding the Third Proportional to 72,649 and 156,968

Step by Step Solution

1. Step 1: Write the proportion equation
   72,649 : 156,968 = 156,968 : x
2. Step 2: Convert to fraction form
   72,649/156,968 = 156,968/x
3. Step 3: Cross multiply
   72,649x = 156,968 × 156,968
4. Step 4: Simplify right side
   72,649x = 24,638,953,024
5. Step 5: Solve for x
   x = 24,638,953,024/72,649
6. Step 6: Final answer
   x = 339,150.61