Finding the Third Proportional to 1,919,574 and 4,200,732

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,574 : 4,200,732 = 4,200,732 : x
2. Step 2: Convert to fraction form
   1,919,574/4,200,732 = 4,200,732/x
3. Step 3: Cross multiply
   1,919,574x = 4,200,732 × 4,200,732
4. Step 4: Simplify right side
   1,919,574x = 17,646,149,335,824
5. Step 5: Solve for x
   x = 17,646,149,335,824/1,919,574
6. Step 6: Final answer
   x = 9,192,742.42