Finding the Third Proportional to 2,131,536 and 3,190,816

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,536 : 3,190,816 = 3,190,816 : x
2. Step 2: Convert to fraction form
   2,131,536/3,190,816 = 3,190,816/x
3. Step 3: Cross multiply
   2,131,536x = 3,190,816 × 3,190,816
4. Step 4: Simplify right side
   2,131,536x = 10,181,306,745,856
5. Step 5: Solve for x
   x = 10,181,306,745,856/2,131,536
6. Step 6: Final answer
   x = 4,776,511.75