Finding the Third Proportional to 889,728 and 2,099,426

Step by Step Solution

1. Step 1: Write the proportion equation
   889,728 : 2,099,426 = 2,099,426 : x
2. Step 2: Convert to fraction form
   889,728/2,099,426 = 2,099,426/x
3. Step 3: Cross multiply
   889,728x = 2,099,426 × 2,099,426
4. Step 4: Simplify right side
   889,728x = 4,407,589,529,476
5. Step 5: Solve for x
   x = 4,407,589,529,476/889,728
6. Step 6: Final answer
   x = 4,953,861.78