Finding the Third Proportional to 1,662,186 and 2,578,818

Step by Step Solution

1. Step 1: Write the proportion equation
   1,662,186 : 2,578,818 = 2,578,818 : x
2. Step 2: Convert to fraction form
   1,662,186/2,578,818 = 2,578,818/x
3. Step 3: Cross multiply
   1,662,186x = 2,578,818 × 2,578,818
4. Step 4: Simplify right side
   1,662,186x = 6,650,302,277,124
5. Step 5: Solve for x
   x = 6,650,302,277,124/1,662,186
6. Step 6: Final answer
   x = 4,000,937.49