Finding the Third Proportional to 16,798 and 34,978

Step by Step Solution

1. Step 1: Write the proportion equation
   16,798 : 34,978 = 34,978 : x
2. Step 2: Convert to fraction form
   16,798/34,978 = 34,978/x
3. Step 3: Cross multiply
   16,798x = 34,978 × 34,978
4. Step 4: Simplify right side
   16,798x = 1,223,460,484
5. Step 5: Solve for x
   x = 1,223,460,484/16,798
6. Step 6: Final answer
   x = 72,833.70