Finding the Third Proportional to 1,237,436 and 2,621,312

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237,436 : 2,621,312 = 2,621,312 : x
2. Step 2: Convert to fraction form
   1,237,436/2,621,312 = 2,621,312/x
3. Step 3: Cross multiply
   1,237,436x = 2,621,312 × 2,621,312
4. Step 4: Simplify right side
   1,237,436x = 6,871,276,601,344
5. Step 5: Solve for x
   x = 6,871,276,601,344/1,237,436
6. Step 6: Final answer
   x = 5,552,833.93