Finding the Third Proportional to 3,899,833 and 8,695,858

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899,833 : 8,695,858 = 8,695,858 : x
2. Step 2: Convert to fraction form
   3,899,833/8,695,858 = 8,695,858/x
3. Step 3: Cross multiply
   3,899,833x = 8,695,858 × 8,695,858
4. Step 4: Simplify right side
   3,899,833x = 75,617,946,356,164
5. Step 5: Solve for x
   x = 75,617,946,356,164/3,899,833
6. Step 6: Final answer
   x = 19,390,047.31