Finding the Third Proportional to 5,818,959 and 12,645,152

Step by Step Solution

1. Step 1: Write the proportion equation
   5,818,959 : 12,645,152 = 12,645,152 : x
2. Step 2: Convert to fraction form
   5,818,959/12,645,152 = 12,645,152/x
3. Step 3: Cross multiply
   5,818,959x = 12,645,152 × 12,645,152
4. Step 4: Simplify right side
   5,818,959x = 159,899,869,103,104
5. Step 5: Solve for x
   x = 159,899,869,103,104/5,818,959
6. Step 6: Final answer
   x = 27,479,119.39