Finding the Third Proportional to 1,980,813 and 4,340,223

Step by Step Solution

1. Step 1: Write the proportion equation
   1,980,813 : 4,340,223 = 4,340,223 : x
2. Step 2: Convert to fraction form
   1,980,813/4,340,223 = 4,340,223/x
3. Step 3: Cross multiply
   1,980,813x = 4,340,223 × 4,340,223
4. Step 4: Simplify right side
   1,980,813x = 18,837,535,689,729
5. Step 5: Solve for x
   x = 18,837,535,689,729/1,980,813
6. Step 6: Final answer
   x = 9,510,002.05