Finding the Third Proportional to 103,806 and 136,303.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,806 : 136,303.50 = 136,303.50 : x
2. Step 2: Convert to fraction form
   103,806/136,303.50 = 136,303.50/x
3. Step 3: Cross multiply
   103,806x = 136,303.50 × 136,303.50
4. Step 4: Simplify right side
   103,806x = 18,578,644,112.25
5. Step 5: Solve for x
   x = 18,578,644,112.25/103,806
6. Step 6: Final answer
   x = 178,974.67