Finding the Third Proportional to 145,798 and 238,074

Step by Step Solution

1. Step 1: Write the proportion equation
   145,798 : 238,074 = 238,074 : x
2. Step 2: Convert to fraction form
   145,798/238,074 = 238,074/x
3. Step 3: Cross multiply
   145,798x = 238,074 × 238,074
4. Step 4: Simplify right side
   145,798x = 56,679,229,476
5. Step 5: Solve for x
   x = 56,679,229,476/145,798
6. Step 6: Final answer
   x = 388,751.76