Finding the Third Proportional to 1,890,074 and 4,042,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,074 : 4,042,420 = 4,042,420 : x
2. Step 2: Convert to fraction form
   1,890,074/4,042,420 = 4,042,420/x
3. Step 3: Cross multiply
   1,890,074x = 4,042,420 × 4,042,420
4. Step 4: Simplify right side
   1,890,074x = 16,341,159,456,400
5. Step 5: Solve for x
   x = 16,341,159,456,400/1,890,074
6. Step 6: Final answer
   x = 8,645,777.60