Finding the Third Proportional to 123,970 and 270,980

Step by Step Solution

1. Step 1: Write the proportion equation
   123,970 : 270,980 = 270,980 : x
2. Step 2: Convert to fraction form
   123,970/270,980 = 270,980/x
3. Step 3: Cross multiply
   123,970x = 270,980 × 270,980
4. Step 4: Simplify right side
   123,970x = 73,430,160,400
5. Step 5: Solve for x
   x = 73,430,160,400/123,970
6. Step 6: Final answer
   x = 592,322.02