Finding the Third Proportional to 134,076.75 and 213,417

Step by Step Solution

1. Step 1: Write the proportion equation
   134,076.75 : 213,417 = 213,417 : x
2. Step 2: Convert to fraction form
   134,076.75/213,417 = 213,417/x
3. Step 3: Cross multiply
   134,076.75x = 213,417 × 213,417
4. Step 4: Simplify right side
   134,076.75x = 45,546,815,889
5. Step 5: Solve for x
   x = 45,546,815,889/134,076.75
6. Step 6: Final answer
   x = 339,707.04