Finding the Third Proportional to 1,013,808 and 2,151,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013,808 : 2,151,456 = 2,151,456 : x
2. Step 2: Convert to fraction form
   1,013,808/2,151,456 = 2,151,456/x
3. Step 3: Cross multiply
   1,013,808x = 2,151,456 × 2,151,456
4. Step 4: Simplify right side
   1,013,808x = 4,628,762,919,936
5. Step 5: Solve for x
   x = 4,628,762,919,936/1,013,808
6. Step 6: Final answer
   x = 4,565,719.47