Finding the Third Proportional to 2,145,818 and 3,240,597

Step by Step Solution

1. Step 1: Write the proportion equation
   2,145,818 : 3,240,597 = 3,240,597 : x
2. Step 2: Convert to fraction form
   2,145,818/3,240,597 = 3,240,597/x
3. Step 3: Cross multiply
   2,145,818x = 3,240,597 × 3,240,597
4. Step 4: Simplify right side
   2,145,818x = 10,501,468,916,409
5. Step 5: Solve for x
   x = 10,501,468,916,409/2,145,818
6. Step 6: Final answer
   x = 4,893,923.40