Finding the Third Proportional to 4,029,042 and 8,654,422

Step by Step Solution

1. Step 1: Write the proportion equation
   4,029,042 : 8,654,422 = 8,654,422 : x
2. Step 2: Convert to fraction form
   4,029,042/8,654,422 = 8,654,422/x
3. Step 3: Cross multiply
   4,029,042x = 8,654,422 × 8,654,422
4. Step 4: Simplify right side
   4,029,042x = 74,899,020,154,084
5. Step 5: Solve for x
   x = 74,899,020,154,084/4,029,042
6. Step 6: Final answer
   x = 18,589,783.91