Finding the Third Proportional to 1,928,508 and 4,147,251

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928,508 : 4,147,251 = 4,147,251 : x
2. Step 2: Convert to fraction form
   1,928,508/4,147,251 = 4,147,251/x
3. Step 3: Cross multiply
   1,928,508x = 4,147,251 × 4,147,251
4. Step 4: Simplify right side
   1,928,508x = 17,199,690,857,001
5. Step 5: Solve for x
   x = 17,199,690,857,001/1,928,508
6. Step 6: Final answer
   x = 8,918,651.55