Finding the Third Proportional to 141,906 and 213,456.75

Step by Step Solution

1. Step 1: Write the proportion equation
   141,906 : 213,456.75 = 213,456.75 : x
2. Step 2: Convert to fraction form
   141,906/213,456.75 = 213,456.75/x
3. Step 3: Cross multiply
   141,906x = 213,456.75 × 213,456.75
4. Step 4: Simplify right side
   141,906x = 45,563,784,120.56
5. Step 5: Solve for x
   x = 45,563,784,120.56/141,906
6. Step 6: Final answer
   x = 321,084.27