Finding the Third Proportional to 1,213,346 and 2,612,740

Step by Step Solution

1. Step 1: Write the proportion equation
   1,213,346 : 2,612,740 = 2,612,740 : x
2. Step 2: Convert to fraction form
   1,213,346/2,612,740 = 2,612,740/x
3. Step 3: Cross multiply
   1,213,346x = 2,612,740 × 2,612,740
4. Step 4: Simplify right side
   1,213,346x = 6,826,410,307,600
5. Step 5: Solve for x
   x = 6,826,410,307,600/1,213,346
6. Step 6: Final answer
   x = 5,626,103.61