Finding the Third Proportional to 113,189.50 and 153,176.50

Step by Step Solution

1. Step 1: Write the proportion equation
   113,189.50 : 153,176.50 = 153,176.50 : x
2. Step 2: Convert to fraction form
   113,189.50/153,176.50 = 153,176.50/x
3. Step 3: Cross multiply
   113,189.50x = 153,176.50 × 153,176.50
4. Step 4: Simplify right side
   113,189.50x = 23,463,040,152.25
5. Step 5: Solve for x
   x = 23,463,040,152.25/113,189.50
6. Step 6: Final answer
   x = 207,289.90