Finding the Third Proportional to 72,687.50 and 154,181.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,687.50 : 154,181.50 = 154,181.50 : x
2. Step 2: Convert to fraction form
   72,687.50/154,181.50 = 154,181.50/x
3. Step 3: Cross multiply
   72,687.50x = 154,181.50 × 154,181.50
4. Step 4: Simplify right side
   72,687.50x = 23,771,934,942.25
5. Step 5: Solve for x
   x = 23,771,934,942.25/72,687.50
6. Step 6: Final answer
   x = 327,042.96