Finding the Third Proportional to 1,379,076 and 2,142,918

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379,076 : 2,142,918 = 2,142,918 : x
2. Step 2: Convert to fraction form
   1,379,076/2,142,918 = 2,142,918/x
3. Step 3: Cross multiply
   1,379,076x = 2,142,918 × 2,142,918
4. Step 4: Simplify right side
   1,379,076x = 4,592,097,554,724
5. Step 5: Solve for x
   x = 4,592,097,554,724/1,379,076
6. Step 6: Final answer
   x = 3,329,836.47