Finding the Third Proportional to 13,476 and 28,440

Step by Step Solution

1. Step 1: Write the proportion equation
   13,476 : 28,440 = 28,440 : x
2. Step 2: Convert to fraction form
   13,476/28,440 = 28,440/x
3. Step 3: Cross multiply
   13,476x = 28,440 × 28,440
4. Step 4: Simplify right side
   13,476x = 808,833,600
5. Step 5: Solve for x
   x = 808,833,600/13,476
6. Step 6: Final answer
   x = 60,020.30