Finding the Third Proportional to 4,080,147 and 8,455,134

Step by Step Solution

1. Step 1: Write the proportion equation
   4,080,147 : 8,455,134 = 8,455,134 : x
2. Step 2: Convert to fraction form
   4,080,147/8,455,134 = 8,455,134/x
3. Step 3: Cross multiply
   4,080,147x = 8,455,134 × 8,455,134
4. Step 4: Simplify right side
   4,080,147x = 71,489,290,957,956
5. Step 5: Solve for x
   x = 71,489,290,957,956/4,080,147
6. Step 6: Final answer
   x = 17,521,253.76