Finding the Third Proportional to 103,628 and 141,287

Step by Step Solution

1. Step 1: Write the proportion equation
   103,628 : 141,287 = 141,287 : x
2. Step 2: Convert to fraction form
   103,628/141,287 = 141,287/x
3. Step 3: Cross multiply
   103,628x = 141,287 × 141,287
4. Step 4: Simplify right side
   103,628x = 19,962,016,369
5. Step 5: Solve for x
   x = 19,962,016,369/103,628
6. Step 6: Final answer
   x = 192,631.49