Finding the Third Proportional to 3,864,008 and 5,677,860

Step by Step Solution

1. Step 1: Write the proportion equation
   3,864,008 : 5,677,860 = 5,677,860 : x
2. Step 2: Convert to fraction form
   3,864,008/5,677,860 = 5,677,860/x
3. Step 3: Cross multiply
   3,864,008x = 5,677,860 × 5,677,860
4. Step 4: Simplify right side
   3,864,008x = 32,238,094,179,600
5. Step 5: Solve for x
   x = 32,238,094,179,600/3,864,008
6. Step 6: Final answer
   x = 8,343,174.80