Finding the Third Proportional to 5,420.04 and 12,476.53

Step by Step Solution

1. Step 1: Write the proportion equation
   5,420.04 : 12,476.53 = 12,476.53 : x
2. Step 2: Convert to fraction form
   5,420.04/12,476.53 = 12,476.53/x
3. Step 3: Cross multiply
   5,420.04x = 12,476.53 × 12,476.53
4. Step 4: Simplify right side
   5,420.04x = 155,663,832.03
5. Step 5: Solve for x
   x = 155,663,832.03/5,420.04
6. Step 6: Final answer
   x = 28,720.06