Finding the Third Proportional to 13,691 and 28,321

Step by Step Solution

1. Step 1: Write the proportion equation
   13,691 : 28,321 = 28,321 : x
2. Step 2: Convert to fraction form
   13,691/28,321 = 28,321/x
3. Step 3: Cross multiply
   13,691x = 28,321 × 28,321
4. Step 4: Simplify right side
   13,691x = 802,079,041
5. Step 5: Solve for x
   x = 802,079,041/13,691
6. Step 6: Final answer
   x = 58,584.40