Finding the Third Proportional to 3,987,178 and 5,964,255

Step by Step Solution

1. Step 1: Write the proportion equation
   3,987,178 : 5,964,255 = 5,964,255 : x
2. Step 2: Convert to fraction form
   3,987,178/5,964,255 = 5,964,255/x
3. Step 3: Cross multiply
   3,987,178x = 5,964,255 × 5,964,255
4. Step 4: Simplify right side
   3,987,178x = 35,572,337,705,025
5. Step 5: Solve for x
   x = 35,572,337,705,025/3,987,178
6. Step 6: Final answer
   x = 8,921,682.88