Finding the Third Proportional to 70,592 and 139,392

Step by Step Solution

1. Step 1: Write the proportion equation
   70,592 : 139,392 = 139,392 : x
2. Step 2: Convert to fraction form
   70,592/139,392 = 139,392/x
3. Step 3: Cross multiply
   70,592x = 139,392 × 139,392
4. Step 4: Simplify right side
   70,592x = 19,430,129,664
5. Step 5: Solve for x
   x = 19,430,129,664/70,592
6. Step 6: Final answer
   x = 275,245.49