Finding the Third Proportional to 72,968 and 156,790

Step by Step Solution

1. Step 1: Write the proportion equation
   72,968 : 156,790 = 156,790 : x
2. Step 2: Convert to fraction form
   72,968/156,790 = 156,790/x
3. Step 3: Cross multiply
   72,968x = 156,790 × 156,790
4. Step 4: Simplify right side
   72,968x = 24,583,104,100
5. Step 5: Solve for x
   x = 24,583,104,100/72,968
6. Step 6: Final answer
   x = 336,902.53