Finding the Third Proportional to 1,007,499 and 2,128,716

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,499 : 2,128,716 = 2,128,716 : x
2. Step 2: Convert to fraction form
   1,007,499/2,128,716 = 2,128,716/x
3. Step 3: Cross multiply
   1,007,499x = 2,128,716 × 2,128,716
4. Step 4: Simplify right side
   1,007,499x = 4,531,431,808,656
5. Step 5: Solve for x
   x = 4,531,431,808,656/1,007,499
6. Step 6: Final answer
   x = 4,497,703.53