Finding the Third Proportional to 113,100 and 235,390.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,100 : 235,390.50 = 235,390.50 : x
2. Step 2: Convert to fraction form
   113,100/235,390.50 = 235,390.50/x
3. Step 3: Cross multiply
   113,100x = 235,390.50 × 235,390.50
4. Step 4: Simplify right side
   113,100x = 55,408,687,490.25
5. Step 5: Solve for x
   x = 55,408,687,490.25/113,100
6. Step 6: Final answer
   x = 489,908.82