Finding the Third Proportional to 3,828,429 and 8,352,324

Step by Step Solution

1. Step 1: Write the proportion equation
   3,828,429 : 8,352,324 = 8,352,324 : x
2. Step 2: Convert to fraction form
   3,828,429/8,352,324 = 8,352,324/x
3. Step 3: Cross multiply
   3,828,429x = 8,352,324 × 8,352,324
4. Step 4: Simplify right side
   3,828,429x = 69,761,316,200,976
5. Step 5: Solve for x
   x = 69,761,316,200,976/3,828,429
6. Step 6: Final answer
   x = 18,221,917.19