Finding the Third Proportional to 78,469 and 170,034

Step by Step Solution

1. Step 1: Write the proportion equation
   78,469 : 170,034 = 170,034 : x
2. Step 2: Convert to fraction form
   78,469/170,034 = 170,034/x
3. Step 3: Cross multiply
   78,469x = 170,034 × 170,034
4. Step 4: Simplify right side
   78,469x = 28,911,561,156
5. Step 5: Solve for x
   x = 28,911,561,156/78,469
6. Step 6: Final answer
   x = 368,445.64