Finding the Third Proportional to 67,423 and 147,805

Step by Step Solution

1. Step 1: Write the proportion equation
   67,423 : 147,805 = 147,805 : x
2. Step 2: Convert to fraction form
   67,423/147,805 = 147,805/x
3. Step 3: Cross multiply
   67,423x = 147,805 × 147,805
4. Step 4: Simplify right side
   67,423x = 21,846,318,025
5. Step 5: Solve for x
   x = 21,846,318,025/67,423
6. Step 6: Final answer
   x = 324,018.78