Finding the Third Proportional to 16,440 and 35,673

Step by Step Solution

1. Step 1: Write the proportion equation
   16,440 : 35,673 = 35,673 : x
2. Step 2: Convert to fraction form
   16,440/35,673 = 35,673/x
3. Step 3: Cross multiply
   16,440x = 35,673 × 35,673
4. Step 4: Simplify right side
   16,440x = 1,272,562,929
5. Step 5: Solve for x
   x = 1,272,562,929/16,440
6. Step 6: Final answer
   x = 77,406.50