Finding the Third Proportional to 85,752 and 134,112

Step by Step Solution

1. Step 1: Write the proportion equation
   85,752 : 134,112 = 134,112 : x
2. Step 2: Convert to fraction form
   85,752/134,112 = 134,112/x
3. Step 3: Cross multiply
   85,752x = 134,112 × 134,112
4. Step 4: Simplify right side
   85,752x = 17,986,028,544
5. Step 5: Solve for x
   x = 17,986,028,544/85,752
6. Step 6: Final answer
   x = 209,744.71