Finding the Third Proportional to 145,308 and 194,886

Step by Step Solution

1. Step 1: Write the proportion equation
   145,308 : 194,886 = 194,886 : x
2. Step 2: Convert to fraction form
   145,308/194,886 = 194,886/x
3. Step 3: Cross multiply
   145,308x = 194,886 × 194,886
4. Step 4: Simplify right side
   145,308x = 37,980,552,996
5. Step 5: Solve for x
   x = 37,980,552,996/145,308
6. Step 6: Final answer
   x = 261,379.64