Finding the Third Proportional to 28,040 and 43,410

Step by Step Solution

1. Step 1: Write the proportion equation
   28,040 : 43,410 = 43,410 : x
2. Step 2: Convert to fraction form
   28,040/43,410 = 43,410/x
3. Step 3: Cross multiply
   28,040x = 43,410 × 43,410
4. Step 4: Simplify right side
   28,040x = 1,884,428,100
5. Step 5: Solve for x
   x = 1,884,428,100/28,040
6. Step 6: Final answer
   x = 67,205.00