Finding the Third Proportional to 2,019,970 and 4,354,820

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,970 : 4,354,820 = 4,354,820 : x
2. Step 2: Convert to fraction form
   2,019,970/4,354,820 = 4,354,820/x
3. Step 3: Cross multiply
   2,019,970x = 4,354,820 × 4,354,820
4. Step 4: Simplify right side
   2,019,970x = 18,964,457,232,400
5. Step 5: Solve for x
   x = 18,964,457,232,400/2,019,970
6. Step 6: Final answer
   x = 9,388,484.60