Finding the Third Proportional to 111,328,576 and 178,960,104

Step by Step Solution

1. Step 1: Write the proportion equation
   111,328,576 : 178,960,104 = 178,960,104 : x
2. Step 2: Convert to fraction form
   111,328,576/178,960,104 = 178,960,104/x
3. Step 3: Cross multiply
   111,328,576x = 178,960,104 × 178,960,104
4. Step 4: Simplify right side
   111,328,576x = 32,026,718,823,690,816
5. Step 5: Solve for x
   x = 32,026,718,823,690,816/111,328,576
6. Step 6: Final answer
   x = 287,677,431.75