Finding the Third Proportional to 12,632 and 19,815

Step by Step Solution

1. Step 1: Write the proportion equation
   12,632 : 19,815 = 19,815 : x
2. Step 2: Convert to fraction form
   12,632/19,815 = 19,815/x
3. Step 3: Cross multiply
   12,632x = 19,815 × 19,815
4. Step 4: Simplify right side
   12,632x = 392,634,225
5. Step 5: Solve for x
   x = 392,634,225/12,632
6. Step 6: Final answer
   x = 31,082.51