Finding the Third Proportional to 2,182,870 and 4,591,964

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182,870 : 4,591,964 = 4,591,964 : x
2. Step 2: Convert to fraction form
   2,182,870/4,591,964 = 4,591,964/x
3. Step 3: Cross multiply
   2,182,870x = 4,591,964 × 4,591,964
4. Step 4: Simplify right side
   2,182,870x = 21,086,133,377,296
5. Step 5: Solve for x
   x = 21,086,133,377,296/2,182,870
6. Step 6: Final answer
   x = 9,659,820.96