Finding the Third Proportional to 1,237,488 and 2,621,400

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237,488 : 2,621,400 = 2,621,400 : x
2. Step 2: Convert to fraction form
   1,237,488/2,621,400 = 2,621,400/x
3. Step 3: Cross multiply
   1,237,488x = 2,621,400 × 2,621,400
4. Step 4: Simplify right side
   1,237,488x = 6,871,737,960,000
5. Step 5: Solve for x
   x = 6,871,737,960,000/1,237,488
6. Step 6: Final answer
   x = 5,552,973.41