Finding the Third Proportional to 67,860 and 147,392

Step by Step Solution

1. Step 1: Write the proportion equation
   67,860 : 147,392 = 147,392 : x
2. Step 2: Convert to fraction form
   67,860/147,392 = 147,392/x
3. Step 3: Cross multiply
   67,860x = 147,392 × 147,392
4. Step 4: Simplify right side
   67,860x = 21,724,401,664
5. Step 5: Solve for x
   x = 21,724,401,664/67,860
6. Step 6: Final answer
   x = 320,135.60