Finding the Third Proportional to 2,020,629 and 4,321,434

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,629 : 4,321,434 = 4,321,434 : x
2. Step 2: Convert to fraction form
   2,020,629/4,321,434 = 4,321,434/x
3. Step 3: Cross multiply
   2,020,629x = 4,321,434 × 4,321,434
4. Step 4: Simplify right side
   2,020,629x = 18,674,791,816,356
5. Step 5: Solve for x
   x = 18,674,791,816,356/2,020,629
6. Step 6: Final answer
   x = 9,242,068.59