Finding the Third Proportional to 109,173 and 238,711.88

Step by Step Solution

1. Step 1: Write the proportion equation
   109,173 : 238,711.88 = 238,711.88 : x
2. Step 2: Convert to fraction form
   109,173/238,711.88 = 238,711.88/x
3. Step 3: Cross multiply
   109,173x = 238,711.88 × 238,711.88
4. Step 4: Simplify right side
   109,173x = 56,983,359,266.02
5. Step 5: Solve for x
   x = 56,983,359,266.02/109,173
6. Step 6: Final answer
   x = 521,954.69