Finding the Third Proportional to 19,663.78 and 43,767.76

Step by Step Solution

1. Step 1: Write the proportion equation
   19,663.78 : 43,767.76 = 43,767.76 : x
2. Step 2: Convert to fraction form
   19,663.78/43,767.76 = 43,767.76/x
3. Step 3: Cross multiply
   19,663.78x = 43,767.76 × 43,767.76
4. Step 4: Simplify right side
   19,663.78x = 1,915,617,222.32
5. Step 5: Solve for x
   x = 1,915,617,222.32/19,663.78
6. Step 6: Final answer
   x = 97,418.57