Finding the Third Proportional to 109,454 and 238,078

Step by Step Solution

1. Step 1: Write the proportion equation
   109,454 : 238,078 = 238,078 : x
2. Step 2: Convert to fraction form
   109,454/238,078 = 238,078/x
3. Step 3: Cross multiply
   109,454x = 238,078 × 238,078
4. Step 4: Simplify right side
   109,454x = 56,681,134,084
5. Step 5: Solve for x
   x = 56,681,134,084/109,454
6. Step 6: Final answer
   x = 517,853.47