Finding the Third Proportional to 19,903 and 31,065

Step by Step Solution

1. Step 1: Write the proportion equation
   19,903 : 31,065 = 31,065 : x
2. Step 2: Convert to fraction form
   19,903/31,065 = 31,065/x
3. Step 3: Cross multiply
   19,903x = 31,065 × 31,065
4. Step 4: Simplify right side
   19,903x = 965,034,225
5. Step 5: Solve for x
   x = 965,034,225/19,903
6. Step 6: Final answer
   x = 48,486.87