Finding the Third Proportional to 17,178 and 35,672

Step by Step Solution

1. Step 1: Write the proportion equation
   17,178 : 35,672 = 35,672 : x
2. Step 2: Convert to fraction form
   17,178/35,672 = 35,672/x
3. Step 3: Cross multiply
   17,178x = 35,672 × 35,672
4. Step 4: Simplify right side
   17,178x = 1,272,491,584
5. Step 5: Solve for x
   x = 1,272,491,584/17,178
6. Step 6: Final answer
   x = 74,076.82