Finding the Third Proportional to 1,718,718 and 3,780,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,718,718 : 3,780,642 = 3,780,642 : x
2. Step 2: Convert to fraction form
   1,718,718/3,780,642 = 3,780,642/x
3. Step 3: Cross multiply
   1,718,718x = 3,780,642 × 3,780,642
4. Step 4: Simplify right side
   1,718,718x = 14,293,253,932,164
5. Step 5: Solve for x
   x = 14,293,253,932,164/1,718,718
6. Step 6: Final answer
   x = 8,316,229.85