Finding the Third Proportional to 1,928,736 and 4,200,354

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928,736 : 4,200,354 = 4,200,354 : x
2. Step 2: Convert to fraction form
   1,928,736/4,200,354 = 4,200,354/x
3. Step 3: Cross multiply
   1,928,736x = 4,200,354 × 4,200,354
4. Step 4: Simplify right side
   1,928,736x = 17,642,973,725,316
5. Step 5: Solve for x
   x = 17,642,973,725,316/1,928,736
6. Step 6: Final answer
   x = 9,147,428.02