Finding the Third Proportional to 9,100 and 19,599

Step by Step Solution

1. Step 1: Write the proportion equation
   9,100 : 19,599 = 19,599 : x
2. Step 2: Convert to fraction form
   9,100/19,599 = 19,599/x
3. Step 3: Cross multiply
   9,100x = 19,599 × 19,599
4. Step 4: Simplify right side
   9,100x = 384,120,801
5. Step 5: Solve for x
   x = 384,120,801/9,100
6. Step 6: Final answer
   x = 42,211.08