Finding the Third Proportional to 109,620 and 165,614.63

Step by Step Solution

1. Step 1: Write the proportion equation
   109,620 : 165,614.63 = 165,614.63 : x
2. Step 2: Convert to fraction form
   109,620/165,614.63 = 165,614.63/x
3. Step 3: Cross multiply
   109,620x = 165,614.63 × 165,614.63
4. Step 4: Simplify right side
   109,620x = 27,428,204,013.89
5. Step 5: Solve for x
   x = 27,428,204,013.89/109,620
6. Step 6: Final answer
   x = 250,211.68