Finding the Third Proportional to 2,636,936 and 5,671,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636,936 : 5,671,312 = 5,671,312 : x
2. Step 2: Convert to fraction form
   2,636,936/5,671,312 = 5,671,312/x
3. Step 3: Cross multiply
   2,636,936x = 5,671,312 × 5,671,312
4. Step 4: Simplify right side
   2,636,936x = 32,163,779,801,344
5. Step 5: Solve for x
   x = 32,163,779,801,344/2,636,936
6. Step 6: Final answer
   x = 12,197,406.31