Finding the Third Proportional to 1,308,770 and 2,768,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,308,770 : 2,768,436 = 2,768,436 : x
2. Step 2: Convert to fraction form
   1,308,770/2,768,436 = 2,768,436/x
3. Step 3: Cross multiply
   1,308,770x = 2,768,436 × 2,768,436
4. Step 4: Simplify right side
   1,308,770x = 7,664,237,886,096
5. Step 5: Solve for x
   x = 7,664,237,886,096/1,308,770
6. Step 6: Final answer
   x = 5,856,061.71