Finding the Third Proportional to 1,237,428 and 2,621,296

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237,428 : 2,621,296 = 2,621,296 : x
2. Step 2: Convert to fraction form
   1,237,428/2,621,296 = 2,621,296/x
3. Step 3: Cross multiply
   1,237,428x = 2,621,296 × 2,621,296
4. Step 4: Simplify right side
   1,237,428x = 6,871,192,719,616
5. Step 5: Solve for x
   x = 6,871,192,719,616/1,237,428
6. Step 6: Final answer
   x = 5,552,802.04