Finding the Third Proportional to 27,818 and 59,980

Step by Step Solution

1. Step 1: Write the proportion equation
   27,818 : 59,980 = 59,980 : x
2. Step 2: Convert to fraction form
   27,818/59,980 = 59,980/x
3. Step 3: Cross multiply
   27,818x = 59,980 × 59,980
4. Step 4: Simplify right side
   27,818x = 3,597,600,400
5. Step 5: Solve for x
   x = 3,597,600,400/27,818
6. Step 6: Final answer
   x = 129,326.35