Finding the Third Proportional to 1,666,854 and 3,582,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666,854 : 3,582,216 = 3,582,216 : x
2. Step 2: Convert to fraction form
   1,666,854/3,582,216 = 3,582,216/x
3. Step 3: Cross multiply
   1,666,854x = 3,582,216 × 3,582,216
4. Step 4: Simplify right side
   1,666,854x = 12,832,271,470,656
5. Step 5: Solve for x
   x = 12,832,271,470,656/1,666,854
6. Step 6: Final answer
   x = 7,698,497.57