Finding the Third Proportional to 138,513.94 and 303,301.69

Step by Step Solution

1. Step 1: Write the proportion equation
   138,513.94 : 303,301.69 = 303,301.69 : x
2. Step 2: Convert to fraction form
   138,513.94/303,301.69 = 303,301.69/x
3. Step 3: Cross multiply
   138,513.94x = 303,301.69 × 303,301.69
4. Step 4: Simplify right side
   138,513.94x = 91,991,913,640.35
5. Step 5: Solve for x
   x = 91,991,913,640.35/138,513.94
6. Step 6: Final answer
   x = 664,134.71