Finding the Third Proportional to 1,913,442 and 4,131,270

Step by Step Solution

1. Step 1: Write the proportion equation
   1,913,442 : 4,131,270 = 4,131,270 : x
2. Step 2: Convert to fraction form
   1,913,442/4,131,270 = 4,131,270/x
3. Step 3: Cross multiply
   1,913,442x = 4,131,270 × 4,131,270
4. Step 4: Simplify right side
   1,913,442x = 17,067,391,812,900
5. Step 5: Solve for x
   x = 17,067,391,812,900/1,913,442
6. Step 6: Final answer
   x = 8,919,733.03