Finding the Third Proportional to 9,902 and 19,528

Step by Step Solution

1. Step 1: Write the proportion equation
   9,902 : 19,528 = 19,528 : x
2. Step 2: Convert to fraction form
   9,902/19,528 = 19,528/x
3. Step 3: Cross multiply
   9,902x = 19,528 × 19,528
4. Step 4: Simplify right side
   9,902x = 381,342,784
5. Step 5: Solve for x
   x = 381,342,784/9,902
6. Step 6: Final answer
   x = 38,511.69