Finding the Third Proportional to 1,590,663 and 3,365,570

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,663 : 3,365,570 = 3,365,570 : x
2. Step 2: Convert to fraction form
   1,590,663/3,365,570 = 3,365,570/x
3. Step 3: Cross multiply
   1,590,663x = 3,365,570 × 3,365,570
4. Step 4: Simplify right side
   1,590,663x = 11,327,061,424,900
5. Step 5: Solve for x
   x = 11,327,061,424,900/1,590,663
6. Step 6: Final answer
   x = 7,120,968.69