Finding the Third Proportional to 1,006,654 and 2,129,906

Step by Step Solution

1. Step 1: Write the proportion equation
   1,006,654 : 2,129,906 = 2,129,906 : x
2. Step 2: Convert to fraction form
   1,006,654/2,129,906 = 2,129,906/x
3. Step 3: Cross multiply
   1,006,654x = 2,129,906 × 2,129,906
4. Step 4: Simplify right side
   1,006,654x = 4,536,499,568,836
5. Step 5: Solve for x
   x = 4,536,499,568,836/1,006,654
6. Step 6: Final answer
   x = 4,506,513.23