Finding the Third Proportional to 5,870,644 and 12,609,434

Step by Step Solution

1. Step 1: Write the proportion equation
   5,870,644 : 12,609,434 = 12,609,434 : x
2. Step 2: Convert to fraction form
   5,870,644/12,609,434 = 12,609,434/x
3. Step 3: Cross multiply
   5,870,644x = 12,609,434 × 12,609,434
4. Step 4: Simplify right side
   5,870,644x = 158,997,825,800,356
5. Step 5: Solve for x
   x = 158,997,825,800,356/5,870,644
6. Step 6: Final answer
   x = 27,083,540.72