Finding the Third Proportional to 173,676 and 259,784.25

Step by Step Solution

1. Step 1: Write the proportion equation
   173,676 : 259,784.25 = 259,784.25 : x
2. Step 2: Convert to fraction form
   173,676/259,784.25 = 259,784.25/x
3. Step 3: Cross multiply
   173,676x = 259,784.25 × 259,784.25
4. Step 4: Simplify right side
   173,676x = 67,487,856,548.06
5. Step 5: Solve for x
   x = 67,487,856,548.06/173,676
6. Step 6: Final answer
   x = 388,584.82