Finding the Third Proportional to 1,890,090 and 4,042,452

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,090 : 4,042,452 = 4,042,452 : x
2. Step 2: Convert to fraction form
   1,890,090/4,042,452 = 4,042,452/x
3. Step 3: Cross multiply
   1,890,090x = 4,042,452 × 4,042,452
4. Step 4: Simplify right side
   1,890,090x = 16,341,418,172,304
5. Step 5: Solve for x
   x = 16,341,418,172,304/1,890,090
6. Step 6: Final answer
   x = 8,645,841.29