Finding the Third Proportional to 12,470 and 28,871

Step by Step Solution

1. Step 1: Write the proportion equation
   12,470 : 28,871 = 28,871 : x
2. Step 2: Convert to fraction form
   12,470/28,871 = 28,871/x
3. Step 3: Cross multiply
   12,470x = 28,871 × 28,871
4. Step 4: Simplify right side
   12,470x = 833,534,641
5. Step 5: Solve for x
   x = 833,534,641/12,470
6. Step 6: Final answer
   x = 66,843.19