Finding the Third Proportional to 67,931 and 147,523

Step by Step Solution

1. Step 1: Write the proportion equation
   67,931 : 147,523 = 147,523 : x
2. Step 2: Convert to fraction form
   67,931/147,523 = 147,523/x
3. Step 3: Cross multiply
   67,931x = 147,523 × 147,523
4. Step 4: Simplify right side
   67,931x = 21,763,035,529
5. Step 5: Solve for x
   x = 21,763,035,529/67,931
6. Step 6: Final answer
   x = 320,369.72