Finding the Third Proportional to 113,186 and 235,653.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,186 : 235,653.50 = 235,653.50 : x
2. Step 2: Convert to fraction form
   113,186/235,653.50 = 235,653.50/x
3. Step 3: Cross multiply
   113,186x = 235,653.50 × 235,653.50
4. Step 4: Simplify right side
   113,186x = 55,532,572,062.25
5. Step 5: Solve for x
   x = 55,532,572,062.25/113,186
6. Step 6: Final answer
   x = 490,631.10