Finding the Third Proportional to 2,020,636 and 4,290,346

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,636 : 4,290,346 = 4,290,346 : x
2. Step 2: Convert to fraction form
   2,020,636/4,290,346 = 4,290,346/x
3. Step 3: Cross multiply
   2,020,636x = 4,290,346 × 4,290,346
4. Step 4: Simplify right side
   2,020,636x = 18,407,068,799,716
5. Step 5: Solve for x
   x = 18,407,068,799,716/2,020,636
6. Step 6: Final answer
   x = 9,109,542.14