Finding the Third Proportional to 78,934 and 168,938

Step by Step Solution

1. Step 1: Write the proportion equation
   78,934 : 168,938 = 168,938 : x
2. Step 2: Convert to fraction form
   78,934/168,938 = 168,938/x
3. Step 3: Cross multiply
   78,934x = 168,938 × 168,938
4. Step 4: Simplify right side
   78,934x = 28,540,047,844
5. Step 5: Solve for x
   x = 28,540,047,844/78,934
6. Step 6: Final answer
   x = 361,568.50