Finding the Third Proportional to 3,921,147 and 8,493,614

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921,147 : 8,493,614 = 8,493,614 : x
2. Step 2: Convert to fraction form
   3,921,147/8,493,614 = 8,493,614/x
3. Step 3: Cross multiply
   3,921,147x = 8,493,614 × 8,493,614
4. Step 4: Simplify right side
   3,921,147x = 72,141,478,780,996
5. Step 5: Solve for x
   x = 72,141,478,780,996/3,921,147
6. Step 6: Final answer
   x = 18,398,055.16