Finding the Third Proportional to 1,678,264 and 2,581,106

Step by Step Solution

1. Step 1: Write the proportion equation
   1,678,264 : 2,581,106 = 2,581,106 : x
2. Step 2: Convert to fraction form
   1,678,264/2,581,106 = 2,581,106/x
3. Step 3: Cross multiply
   1,678,264x = 2,581,106 × 2,581,106
4. Step 4: Simplify right side
   1,678,264x = 6,662,108,183,236
5. Step 5: Solve for x
   x = 6,662,108,183,236/1,678,264
6. Step 6: Final answer
   x = 3,969,642.55