Finding the Third Proportional to 9,207 and 19,710

Step by Step Solution

1. Step 1: Write the proportion equation
   9,207 : 19,710 = 19,710 : x
2. Step 2: Convert to fraction form
   9,207/19,710 = 19,710/x
3. Step 3: Cross multiply
   9,207x = 19,710 × 19,710
4. Step 4: Simplify right side
   9,207x = 388,484,100
5. Step 5: Solve for x
   x = 388,484,100/9,207
6. Step 6: Final answer
   x = 42,194.43