Finding the Third Proportional to 1,928,722 and 4,200,326

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928,722 : 4,200,326 = 4,200,326 : x
2. Step 2: Convert to fraction form
   1,928,722/4,200,326 = 4,200,326/x
3. Step 3: Cross multiply
   1,928,722x = 4,200,326 × 4,200,326
4. Step 4: Simplify right side
   1,928,722x = 17,642,738,506,276
5. Step 5: Solve for x
   x = 17,642,738,506,276/1,928,722
6. Step 6: Final answer
   x = 9,147,372.46