Finding the Third Proportional to 1,401,436 and 2,164,260

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,436 : 2,164,260 = 2,164,260 : x
2. Step 2: Convert to fraction form
   1,401,436/2,164,260 = 2,164,260/x
3. Step 3: Cross multiply
   1,401,436x = 2,164,260 × 2,164,260
4. Step 4: Simplify right side
   1,401,436x = 4,684,021,347,600
5. Step 5: Solve for x
   x = 4,684,021,347,600/1,401,436
6. Step 6: Final answer
   x = 3,342,301.29