Finding the Third Proportional to 16,672 and 35,840

Step by Step Solution

1. Step 1: Write the proportion equation
   16,672 : 35,840 = 35,840 : x
2. Step 2: Convert to fraction form
   16,672/35,840 = 35,840/x
3. Step 3: Cross multiply
   16,672x = 35,840 × 35,840
4. Step 4: Simplify right side
   16,672x = 1,284,505,600
5. Step 5: Solve for x
   x = 1,284,505,600/16,672
6. Step 6: Final answer
   x = 77,045.68