Finding the Third Proportional to 2,059,639 and 4,485,431

Step by Step Solution

1. Step 1: Write the proportion equation
   2,059,639 : 4,485,431 = 4,485,431 : x
2. Step 2: Convert to fraction form
   2,059,639/4,485,431 = 4,485,431/x
3. Step 3: Cross multiply
   2,059,639x = 4,485,431 × 4,485,431
4. Step 4: Simplify right side
   2,059,639x = 20,119,091,255,761
5. Step 5: Solve for x
   x = 20,119,091,255,761/2,059,639
6. Step 6: Final answer
   x = 9,768,260.97