Finding the Third Proportional to 1,919,684 and 4,200,952

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,684 : 4,200,952 = 4,200,952 : x
2. Step 2: Convert to fraction form
   1,919,684/4,200,952 = 4,200,952/x
3. Step 3: Cross multiply
   1,919,684x = 4,200,952 × 4,200,952
4. Step 4: Simplify right side
   1,919,684x = 17,647,997,706,304
5. Step 5: Solve for x
   x = 17,647,997,706,304/1,919,684
6. Step 6: Final answer
   x = 9,193,178.52