Finding the Third Proportional to 23,870 and 55,739

Step by Step Solution

1. Step 1: Write the proportion equation
   23,870 : 55,739 = 55,739 : x
2. Step 2: Convert to fraction form
   23,870/55,739 = 55,739/x
3. Step 3: Cross multiply
   23,870x = 55,739 × 55,739
4. Step 4: Simplify right side
   23,870x = 3,106,836,121
5. Step 5: Solve for x
   x = 3,106,836,121/23,870
6. Step 6: Final answer
   x = 130,156.52