Finding the Third Proportional to 1,339,798 and 2,912,300

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339,798 : 2,912,300 = 2,912,300 : x
2. Step 2: Convert to fraction form
   1,339,798/2,912,300 = 2,912,300/x
3. Step 3: Cross multiply
   1,339,798x = 2,912,300 × 2,912,300
4. Step 4: Simplify right side
   1,339,798x = 8,481,491,290,000
5. Step 5: Solve for x
   x = 8,481,491,290,000/1,339,798
6. Step 6: Final answer
   x = 6,330,425.40