Finding the Third Proportional to 1,281,443 and 1,856,064

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,443 : 1,856,064 = 1,856,064 : x
2. Step 2: Convert to fraction form
   1,281,443/1,856,064 = 1,856,064/x
3. Step 3: Cross multiply
   1,281,443x = 1,856,064 × 1,856,064
4. Step 4: Simplify right side
   1,281,443x = 3,444,973,572,096
5. Step 5: Solve for x
   x = 3,444,973,572,096/1,281,443
6. Step 6: Final answer
   x = 2,688,354.90