Finding the Third Proportional to 12,586 and 30,277

Step by Step Solution

1. Step 1: Write the proportion equation
   12,586 : 30,277 = 30,277 : x
2. Step 2: Convert to fraction form
   12,586/30,277 = 30,277/x
3. Step 3: Cross multiply
   12,586x = 30,277 × 30,277
4. Step 4: Simplify right side
   12,586x = 916,696,729
5. Step 5: Solve for x
   x = 916,696,729/12,586
6. Step 6: Final answer
   x = 72,834.64