Finding the Third Proportional to 1,286,160 and 1,892,064

Step by Step Solution

1. Step 1: Write the proportion equation
   1,286,160 : 1,892,064 = 1,892,064 : x
2. Step 2: Convert to fraction form
   1,286,160/1,892,064 = 1,892,064/x
3. Step 3: Cross multiply
   1,286,160x = 1,892,064 × 1,892,064
4. Step 4: Simplify right side
   1,286,160x = 3,579,906,180,096
5. Step 5: Solve for x
   x = 3,579,906,180,096/1,286,160
6. Step 6: Final answer
   x = 2,783,406.56