Finding the Third Proportional to 147,172.50 and 327,654

Step by Step Solution

1. Step 1: Write the proportion equation
   147,172.50 : 327,654 = 327,654 : x
2. Step 2: Convert to fraction form
   147,172.50/327,654 = 327,654/x
3. Step 3: Cross multiply
   147,172.50x = 327,654 × 327,654
4. Step 4: Simplify right side
   147,172.50x = 107,357,143,716
5. Step 5: Solve for x
   x = 107,357,143,716/147,172.50
6. Step 6: Final answer
   x = 729,464.70