Finding the Third Proportional to 16,209 and 35,820

Step by Step Solution

1. Step 1: Write the proportion equation
   16,209 : 35,820 = 35,820 : x
2. Step 2: Convert to fraction form
   16,209/35,820 = 35,820/x
3. Step 3: Cross multiply
   16,209x = 35,820 × 35,820
4. Step 4: Simplify right side
   16,209x = 1,283,072,400
5. Step 5: Solve for x
   x = 1,283,072,400/16,209
6. Step 6: Final answer
   x = 79,158.02