Finding the Third Proportional to 3,877,638 and 5,921,433

Step by Step Solution

1. Step 1: Write the proportion equation
   3,877,638 : 5,921,433 = 5,921,433 : x
2. Step 2: Convert to fraction form
   3,877,638/5,921,433 = 5,921,433/x
3. Step 3: Cross multiply
   3,877,638x = 5,921,433 × 5,921,433
4. Step 4: Simplify right side
   3,877,638x = 35,063,368,773,489
5. Step 5: Solve for x
   x = 35,063,368,773,489/3,877,638
6. Step 6: Final answer
   x = 9,042,455.43