Finding the Third Proportional to 1,590,663 and 3,365,574

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590,663 : 3,365,574 = 3,365,574 : x
2. Step 2: Convert to fraction form
   1,590,663/3,365,574 = 3,365,574/x
3. Step 3: Cross multiply
   1,590,663x = 3,365,574 × 3,365,574
4. Step 4: Simplify right side
   1,590,663x = 11,327,088,349,476
5. Step 5: Solve for x
   x = 11,327,088,349,476/1,590,663
6. Step 6: Final answer
   x = 7,120,985.62