Finding the Third Proportional to 3,877,646 and 5,921,445

Step by Step Solution

1. Step 1: Write the proportion equation
   3,877,646 : 5,921,445 = 5,921,445 : x
2. Step 2: Convert to fraction form
   3,877,646/5,921,445 = 5,921,445/x
3. Step 3: Cross multiply
   3,877,646x = 5,921,445 × 5,921,445
4. Step 4: Simplify right side
   3,877,646x = 35,063,510,888,025
5. Step 5: Solve for x
   x = 35,063,510,888,025/3,877,646
6. Step 6: Final answer
   x = 9,042,473.42