Finding the Third Proportional to 18,780.19 and 43,669.69

Step by Step Solution

1. Step 1: Write the proportion equation
   18,780.19 : 43,669.69 = 43,669.69 : x
2. Step 2: Convert to fraction form
   18,780.19/43,669.69 = 43,669.69/x
3. Step 3: Cross multiply
   18,780.19x = 43,669.69 × 43,669.69
4. Step 4: Simplify right side
   18,780.19x = 1,907,041,606.35
5. Step 5: Solve for x
   x = 1,907,041,606.35/18,780.19
6. Step 6: Final answer
   x = 101,545.40