Finding the Third Proportional to 71,600 and 141,392

Step by Step Solution

1. Step 1: Write the proportion equation
   71,600 : 141,392 = 141,392 : x
2. Step 2: Convert to fraction form
   71,600/141,392 = 141,392/x
3. Step 3: Cross multiply
   71,600x = 141,392 × 141,392
4. Step 4: Simplify right side
   71,600x = 19,991,697,664
5. Step 5: Solve for x
   x = 19,991,697,664/71,600
6. Step 6: Final answer
   x = 279,213.65