Finding the Third Proportional to 1,260,961 and 2,611,647

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,961 : 2,611,647 = 2,611,647 : x
2. Step 2: Convert to fraction form
   1,260,961/2,611,647 = 2,611,647/x
3. Step 3: Cross multiply
   1,260,961x = 2,611,647 × 2,611,647
4. Step 4: Simplify right side
   1,260,961x = 6,820,700,052,609
5. Step 5: Solve for x
   x = 6,820,700,052,609/1,260,961
6. Step 6: Final answer
   x = 5,409,128.48