Finding the Third Proportional to 1,299,544 and 2,039,064

Step by Step Solution

1. Step 1: Write the proportion equation
   1,299,544 : 2,039,064 = 2,039,064 : x
2. Step 2: Convert to fraction form
   1,299,544/2,039,064 = 2,039,064/x
3. Step 3: Cross multiply
   1,299,544x = 2,039,064 × 2,039,064
4. Step 4: Simplify right side
   1,299,544x = 4,157,781,996,096
5. Step 5: Solve for x
   x = 4,157,781,996,096/1,299,544
6. Step 6: Final answer
   x = 3,199,416.10