Finding the Third Proportional to 72,272 and 158,152

Step by Step Solution

1. Step 1: Write the proportion equation
   72,272 : 158,152 = 158,152 : x
2. Step 2: Convert to fraction form
   72,272/158,152 = 158,152/x
3. Step 3: Cross multiply
   72,272x = 158,152 × 158,152
4. Step 4: Simplify right side
   72,272x = 25,012,055,104
5. Step 5: Solve for x
   x = 25,012,055,104/72,272
6. Step 6: Final answer
   x = 346,082.23