Finding the Third Proportional to 27,880 and 59,970

Step by Step Solution

1. Step 1: Write the proportion equation
   27,880 : 59,970 = 59,970 : x
2. Step 2: Convert to fraction form
   27,880/59,970 = 59,970/x
3. Step 3: Cross multiply
   27,880x = 59,970 × 59,970
4. Step 4: Simplify right side
   27,880x = 3,596,400,900
5. Step 5: Solve for x
   x = 3,596,400,900/27,880
6. Step 6: Final answer
   x = 128,995.73