Finding the Third Proportional to 1,207,244 and 2,558,400

Step by Step Solution

1. Step 1: Write the proportion equation
   1,207,244 : 2,558,400 = 2,558,400 : x
2. Step 2: Convert to fraction form
   1,207,244/2,558,400 = 2,558,400/x
3. Step 3: Cross multiply
   1,207,244x = 2,558,400 × 2,558,400
4. Step 4: Simplify right side
   1,207,244x = 6,545,410,560,000
5. Step 5: Solve for x
   x = 6,545,410,560,000/1,207,244
6. Step 6: Final answer
   x = 5,421,779.33