Finding the Third Proportional to 1,006,648 and 2,129,892

Step by Step Solution

1. Step 1: Write the proportion equation
   1,006,648 : 2,129,892 = 2,129,892 : x
2. Step 2: Convert to fraction form
   1,006,648/2,129,892 = 2,129,892/x
3. Step 3: Cross multiply
   1,006,648x = 2,129,892 × 2,129,892
4. Step 4: Simplify right side
   1,006,648x = 4,536,439,931,664
5. Step 5: Solve for x
   x = 4,536,439,931,664/1,006,648
6. Step 6: Final answer
   x = 4,506,480.85