Finding the Third Proportional to 1,928,506 and 4,147,245

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928,506 : 4,147,245 = 4,147,245 : x
2. Step 2: Convert to fraction form
   1,928,506/4,147,245 = 4,147,245/x
3. Step 3: Cross multiply
   1,928,506x = 4,147,245 × 4,147,245
4. Step 4: Simplify right side
   1,928,506x = 17,199,641,090,025
5. Step 5: Solve for x
   x = 17,199,641,090,025/1,928,506
6. Step 6: Final answer
   x = 8,918,634.99