Finding the Third Proportional to 27,870 and 60,819

Step by Step Solution

1. Step 1: Write the proportion equation
   27,870 : 60,819 = 60,819 : x
2. Step 2: Convert to fraction form
   27,870/60,819 = 60,819/x
3. Step 3: Cross multiply
   27,870x = 60,819 × 60,819
4. Step 4: Simplify right side
   27,870x = 3,698,950,761
5. Step 5: Solve for x
   x = 3,698,950,761/27,870
6. Step 6: Final answer
   x = 132,721.59