Finding the Third Proportional to 70,980 and 155,208

Step by Step Solution

1. Step 1: Write the proportion equation
   70,980 : 155,208 = 155,208 : x
2. Step 2: Convert to fraction form
   70,980/155,208 = 155,208/x
3. Step 3: Cross multiply
   70,980x = 155,208 × 155,208
4. Step 4: Simplify right side
   70,980x = 24,089,523,264
5. Step 5: Solve for x
   x = 24,089,523,264/70,980
6. Step 6: Final answer
   x = 339,384.66