Finding the Third Proportional to 103,654.69 and 146,642.91

Step by Step Solution

1. Step 1: Write the proportion equation
   103,654.69 : 146,642.91 = 146,642.91 : x
2. Step 2: Convert to fraction form
   103,654.69/146,642.91 = 146,642.91/x
3. Step 3: Cross multiply
   103,654.69x = 146,642.91 × 146,642.91
4. Step 4: Simplify right side
   103,654.69x = 21,504,141,953.45
5. Step 5: Solve for x
   x = 21,504,141,953.45/103,654.69
6. Step 6: Final answer
   x = 207,459.43