Finding the Third Proportional to 1,521,446 and 2,369,407

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,446 : 2,369,407 = 2,369,407 : x
2. Step 2: Convert to fraction form
   1,521,446/2,369,407 = 2,369,407/x
3. Step 3: Cross multiply
   1,521,446x = 2,369,407 × 2,369,407
4. Step 4: Simplify right side
   1,521,446x = 5,614,089,531,649
5. Step 5: Solve for x
   x = 5,614,089,531,649/1,521,446
6. Step 6: Final answer
   x = 3,689,969.63