Finding the Third Proportional to 3,899,848 and 8,695,888

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899,848 : 8,695,888 = 8,695,888 : x
2. Step 2: Convert to fraction form
   3,899,848/8,695,888 = 8,695,888/x
3. Step 3: Cross multiply
   3,899,848x = 8,695,888 × 8,695,888
4. Step 4: Simplify right side
   3,899,848x = 75,618,468,108,544
5. Step 5: Solve for x
   x = 75,618,468,108,544/3,899,848
6. Step 6: Final answer
   x = 19,390,106.51