Finding the Third Proportional to 907,723 and 2,139,716

Step by Step Solution

1. Step 1: Write the proportion equation
   907,723 : 2,139,716 = 2,139,716 : x
2. Step 2: Convert to fraction form
   907,723/2,139,716 = 2,139,716/x
3. Step 3: Cross multiply
   907,723x = 2,139,716 × 2,139,716
4. Step 4: Simplify right side
   907,723x = 4,578,384,560,656
5. Step 5: Solve for x
   x = 4,578,384,560,656/907,723
6. Step 6: Final answer
   x = 5,043,812.44