Finding the Third Proportional to 1,430,364 and 2,978,300

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430,364 : 2,978,300 = 2,978,300 : x
2. Step 2: Convert to fraction form
   1,430,364/2,978,300 = 2,978,300/x
3. Step 3: Cross multiply
   1,430,364x = 2,978,300 × 2,978,300
4. Step 4: Simplify right side
   1,430,364x = 8,870,270,890,000
5. Step 5: Solve for x
   x = 8,870,270,890,000/1,430,364
6. Step 6: Final answer
   x = 6,201,408.10