Finding the Third Proportional to 2,186,945 and 3,078,331

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,945 : 3,078,331 = 3,078,331 : x
2. Step 2: Convert to fraction form
   2,186,945/3,078,331 = 3,078,331/x
3. Step 3: Cross multiply
   2,186,945x = 3,078,331 × 3,078,331
4. Step 4: Simplify right side
   2,186,945x = 9,476,121,745,561
5. Step 5: Solve for x
   x = 9,476,121,745,561/2,186,945
6. Step 6: Final answer
   x = 4,333,040.72