Finding the Third Proportional to 2,143,730 and 4,598,288

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,730 : 4,598,288 = 4,598,288 : x
2. Step 2: Convert to fraction form
   2,143,730/4,598,288 = 4,598,288/x
3. Step 3: Cross multiply
   2,143,730x = 4,598,288 × 4,598,288
4. Step 4: Simplify right side
   2,143,730x = 21,144,252,530,944
5. Step 5: Solve for x
   x = 21,144,252,530,944/2,143,730
6. Step 6: Final answer
   x = 9,863,300.20