Finding the Third Proportional to 109,177 and 238,719.88

Step by Step Solution

1. Step 1: Write the proportion equation
   109,177 : 238,719.88 = 238,719.88 : x
2. Step 2: Convert to fraction form
   109,177/238,719.88 = 238,719.88/x
3. Step 3: Cross multiply
   109,177x = 238,719.88 × 238,719.88
4. Step 4: Simplify right side
   109,177x = 56,987,178,720.02
5. Step 5: Solve for x
   x = 56,987,178,720.02/109,177
6. Step 6: Final answer
   x = 521,970.55