Finding the Third Proportional to 1,891,770 and 4,151,442

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891,770 : 4,151,442 = 4,151,442 : x
2. Step 2: Convert to fraction form
   1,891,770/4,151,442 = 4,151,442/x
3. Step 3: Cross multiply
   1,891,770x = 4,151,442 × 4,151,442
4. Step 4: Simplify right side
   1,891,770x = 17,234,470,679,364
5. Step 5: Solve for x
   x = 17,234,470,679,364/1,891,770
6. Step 6: Final answer
   x = 9,110,235.75