Finding the Third Proportional to 30,145 and 61,112

Step by Step Solution

1. Step 1: Write the proportion equation
   30,145 : 61,112 = 61,112 : x
2. Step 2: Convert to fraction form
   30,145/61,112 = 61,112/x
3. Step 3: Cross multiply
   30,145x = 61,112 × 61,112
4. Step 4: Simplify right side
   30,145x = 3,734,676,544
5. Step 5: Solve for x
   x = 3,734,676,544/30,145
6. Step 6: Final answer
   x = 123,890.41