Finding the Third Proportional to 126,978,716 and 185,568,512

Step by Step Solution

1. Step 1: Write the proportion equation
   126,978,716 : 185,568,512 = 185,568,512 : x
2. Step 2: Convert to fraction form
   126,978,716/185,568,512 = 185,568,512/x
3. Step 3: Cross multiply
   126,978,716x = 185,568,512 × 185,568,512
4. Step 4: Simplify right side
   126,978,716x = 34,435,672,645,894,144
5. Step 5: Solve for x
   x = 34,435,672,645,894,144/126,978,716
6. Step 6: Final answer
   x = 271,192,478.00