Finding the Third Proportional to 72,098 and 154,158

Step by Step Solution

1. Step 1: Write the proportion equation
   72,098 : 154,158 = 154,158 : x
2. Step 2: Convert to fraction form
   72,098/154,158 = 154,158/x
3. Step 3: Cross multiply
   72,098x = 154,158 × 154,158
4. Step 4: Simplify right side
   72,098x = 23,764,688,964
5. Step 5: Solve for x
   x = 23,764,688,964/72,098
6. Step 6: Final answer
   x = 329,616.48