Finding the Third Proportional to 113,455.13 and 150,499.69

Step by Step Solution

1. Step 1: Write the proportion equation
   113,455.13 : 150,499.69 = 150,499.69 : x
2. Step 2: Convert to fraction form
   113,455.13/150,499.69 = 150,499.69/x
3. Step 3: Cross multiply
   113,455.13x = 150,499.69 × 150,499.69
4. Step 4: Simplify right side
   113,455.13x = 22,650,155,937.60
5. Step 5: Solve for x
   x = 22,650,155,937.60/113,455.13
6. Step 6: Final answer
   x = 199,639.78