Finding the Third Proportional to 109,273.50 and 238,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,273.50 : 238,405.50 = 238,405.50 : x
2. Step 2: Convert to fraction form
   109,273.50/238,405.50 = 238,405.50/x
3. Step 3: Cross multiply
   109,273.50x = 238,405.50 × 238,405.50
4. Step 4: Simplify right side
   109,273.50x = 56,837,182,430.25
5. Step 5: Solve for x
   x = 56,837,182,430.25/109,273.50
6. Step 6: Final answer
   x = 520,136.93