Finding the Third Proportional to 2,781,353 and 5,775,871

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781,353 : 5,775,871 = 5,775,871 : x
2. Step 2: Convert to fraction form
   2,781,353/5,775,871 = 5,775,871/x
3. Step 3: Cross multiply
   2,781,353x = 5,775,871 × 5,775,871
4. Step 4: Simplify right side
   2,781,353x = 33,360,685,808,641
5. Step 5: Solve for x
   x = 33,360,685,808,641/2,781,353
6. Step 6: Final answer
   x = 11,994,409.13