Finding the Third Proportional to 103,356 and 146,287.69

Step by Step Solution

1. Step 1: Write the proportion equation
   103,356 : 146,287.69 = 146,287.69 : x
2. Step 2: Convert to fraction form
   103,356/146,287.69 = 146,287.69/x
3. Step 3: Cross multiply
   103,356x = 146,287.69 × 146,287.69
4. Step 4: Simplify right side
   103,356x = 21,400,087,514.10
5. Step 5: Solve for x
   x = 21,400,087,514.10/103,356
6. Step 6: Final answer
   x = 207,052.20