Finding the Third Proportional to 70,392 and 141,936

Step by Step Solution

1. Step 1: Write the proportion equation
   70,392 : 141,936 = 141,936 : x
2. Step 2: Convert to fraction form
   70,392/141,936 = 141,936/x
3. Step 3: Cross multiply
   70,392x = 141,936 × 141,936
4. Step 4: Simplify right side
   70,392x = 20,145,828,096
5. Step 5: Solve for x
   x = 20,145,828,096/70,392
6. Step 6: Final answer
   x = 286,194.85