Finding the Third Proportional to 3,859,767 and 5,677,381

Step by Step Solution

1. Step 1: Write the proportion equation
   3,859,767 : 5,677,381 = 5,677,381 : x
2. Step 2: Convert to fraction form
   3,859,767/5,677,381 = 5,677,381/x
3. Step 3: Cross multiply
   3,859,767x = 5,677,381 × 5,677,381
4. Step 4: Simplify right side
   3,859,767x = 32,232,655,019,161
5. Step 5: Solve for x
   x = 32,232,655,019,161/3,859,767
6. Step 6: Final answer
   x = 8,350,932.85