Finding the Third Proportional to 72,976 and 157,210

Step by Step Solution

1. Step 1: Write the proportion equation
   72,976 : 157,210 = 157,210 : x
2. Step 2: Convert to fraction form
   72,976/157,210 = 157,210/x
3. Step 3: Cross multiply
   72,976x = 157,210 × 157,210
4. Step 4: Simplify right side
   72,976x = 24,714,984,100
5. Step 5: Solve for x
   x = 24,714,984,100/72,976
6. Step 6: Final answer
   x = 338,672.77