Finding the Third Proportional to 173,157.75 and 265,978.69

Step by Step Solution

1. Step 1: Write the proportion equation
   173,157.75 : 265,978.69 = 265,978.69 : x
2. Step 2: Convert to fraction form
   173,157.75/265,978.69 = 265,978.69/x
3. Step 3: Cross multiply
   173,157.75x = 265,978.69 × 265,978.69
4. Step 4: Simplify right side
   173,157.75x = 70,744,662,204.22
5. Step 5: Solve for x
   x = 70,744,662,204.22/173,157.75
6. Step 6: Final answer
   x = 408,556.14