Finding the Third Proportional to 4,073.63 and 8,911.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,073.63 : 8,911.69 = 8,911.69 : x
2. Step 2: Convert to fraction form
   4,073.63/8,911.69 = 8,911.69/x
3. Step 3: Cross multiply
   4,073.63x = 8,911.69 × 8,911.69
4. Step 4: Simplify right side
   4,073.63x = 79,418,174.10
5. Step 5: Solve for x
   x = 79,418,174.10/4,073.63
6. Step 6: Final answer
   x = 19,495.70