Finding the Third Proportional to 2,149,696 and 3,213,312

Step by Step Solution

1. Step 1: Write the proportion equation
   2,149,696 : 3,213,312 = 3,213,312 : x
2. Step 2: Convert to fraction form
   2,149,696/3,213,312 = 3,213,312/x
3. Step 3: Cross multiply
   2,149,696x = 3,213,312 × 3,213,312
4. Step 4: Simplify right side
   2,149,696x = 10,325,374,009,344
5. Step 5: Solve for x
   x = 10,325,374,009,344/2,149,696
6. Step 6: Final answer
   x = 4,803,178.69