Finding the Third Proportional to 109,356 and 143,592

Step by Step Solution

1. Step 1: Write the proportion equation
   109,356 : 143,592 = 143,592 : x
2. Step 2: Convert to fraction form
   109,356/143,592 = 143,592/x
3. Step 3: Cross multiply
   109,356x = 143,592 × 143,592
4. Step 4: Simplify right side
   109,356x = 20,618,662,464
5. Step 5: Solve for x
   x = 20,618,662,464/109,356
6. Step 6: Final answer
   x = 188,546.24