Finding the Third Proportional to 5,715,644 and 12,328,684

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715,644 : 12,328,684 = 12,328,684 : x
2. Step 2: Convert to fraction form
   5,715,644/12,328,684 = 12,328,684/x
3. Step 3: Cross multiply
   5,715,644x = 12,328,684 × 12,328,684
4. Step 4: Simplify right side
   5,715,644x = 151,996,449,171,856
5. Step 5: Solve for x
   x = 151,996,449,171,856/5,715,644
6. Step 6: Final answer
   x = 26,593,057.44