Finding the Third Proportional to 1,590,661 and 3,365,566

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,661 : 3,365,566 = 3,365,566 : x
2. Step 2: Convert to fraction form
   1,590,661/3,365,566 = 3,365,566/x
3. Step 3: Cross multiply
   1,590,661x = 3,365,566 × 3,365,566
4. Step 4: Simplify right side
   1,590,661x = 11,327,034,500,356
5. Step 5: Solve for x
   x = 11,327,034,500,356/1,590,661
6. Step 6: Final answer
   x = 7,120,960.72