Finding the Third Proportional to 72,222 and 157,116

Step by Step Solution

1. Step 1: Write the proportion equation
   72,222 : 157,116 = 157,116 : x
2. Step 2: Convert to fraction form
   72,222/157,116 = 157,116/x
3. Step 3: Cross multiply
   72,222x = 157,116 × 157,116
4. Step 4: Simplify right side
   72,222x = 24,685,437,456
5. Step 5: Solve for x
   x = 24,685,437,456/72,222
6. Step 6: Final answer
   x = 341,799.42