Finding the Third Proportional to 1,919,241 and 4,074,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,919,241 : 4,074,642 = 4,074,642 : x
2. Step 2: Convert to fraction form
   1,919,241/4,074,642 = 4,074,642/x
3. Step 3: Cross multiply
   1,919,241x = 4,074,642 × 4,074,642
4. Step 4: Simplify right side
   1,919,241x = 16,602,707,428,164
5. Step 5: Solve for x
   x = 16,602,707,428,164/1,919,241
6. Step 6: Final answer
   x = 8,650,663.17