Finding the Third Proportional to 12,982 and 30,403

Step by Step Solution

1. Step 1: Write the proportion equation
   12,982 : 30,403 = 30,403 : x
2. Step 2: Convert to fraction form
   12,982/30,403 = 30,403/x
3. Step 3: Cross multiply
   12,982x = 30,403 × 30,403
4. Step 4: Simplify right side
   12,982x = 924,342,409
5. Step 5: Solve for x
   x = 924,342,409/12,982
6. Step 6: Final answer
   x = 71,201.85