Finding the Third Proportional to 138,927 and 303,540.75

Step by Step Solution

1. Step 1: Write the proportion equation
   138,927 : 303,540.75 = 303,540.75 : x
2. Step 2: Convert to fraction form
   138,927/303,540.75 = 303,540.75/x
3. Step 3: Cross multiply
   138,927x = 303,540.75 × 303,540.75
4. Step 4: Simplify right side
   138,927x = 92,136,986,910.56
5. Step 5: Solve for x
   x = 92,136,986,910.56/138,927
6. Step 6: Final answer
   x = 663,204.32