Finding the Third Proportional to 21,016.13 and 31,602.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,016.13 : 31,602.38 = 31,602.38 : x
2. Step 2: Convert to fraction form
   21,016.13/31,602.38 = 31,602.38/x
3. Step 3: Cross multiply
   21,016.13x = 31,602.38 × 31,602.38
4. Step 4: Simplify right side
   21,016.13x = 998,710,105.64
5. Step 5: Solve for x
   x = 998,710,105.64/21,016.13
6. Step 6: Final answer
   x = 47,521.13