Finding the Third Proportional to 109,369.50 and 235,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,369.50 : 235,810.50 = 235,810.50 : x
2. Step 2: Convert to fraction form
   109,369.50/235,810.50 = 235,810.50/x
3. Step 3: Cross multiply
   109,369.50x = 235,810.50 × 235,810.50
4. Step 4: Simplify right side
   109,369.50x = 55,606,591,910.25
5. Step 5: Solve for x
   x = 55,606,591,910.25/109,369.50
6. Step 6: Final answer
   x = 508,428.69