Finding the Third Proportional to 1,659,213 and 3,485,286

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659,213 : 3,485,286 = 3,485,286 : x
2. Step 2: Convert to fraction form
   1,659,213/3,485,286 = 3,485,286/x
3. Step 3: Cross multiply
   1,659,213x = 3,485,286 × 3,485,286
4. Step 4: Simplify right side
   1,659,213x = 12,147,218,501,796
5. Step 5: Solve for x
   x = 12,147,218,501,796/1,659,213
6. Step 6: Final answer
   x = 7,321,072.40