Finding the Third Proportional to 84,429.75 and 133,692

Step by Step Solution

1. Step 1: Write the proportion equation
   84,429.75 : 133,692 = 133,692 : x
2. Step 2: Convert to fraction form
   84,429.75/133,692 = 133,692/x
3. Step 3: Cross multiply
   84,429.75x = 133,692 × 133,692
4. Step 4: Simplify right side
   84,429.75x = 17,873,550,864
5. Step 5: Solve for x
   x = 17,873,550,864/84,429.75
6. Step 6: Final answer
   x = 211,697.31