Finding the Third Proportional to 3,877,644 and 5,921,442

Step by Step Solution

1. Step 1: Write the proportion equation
   3,877,644 : 5,921,442 = 5,921,442 : x
2. Step 2: Convert to fraction form
   3,877,644/5,921,442 = 5,921,442/x
3. Step 3: Cross multiply
   3,877,644x = 5,921,442 × 5,921,442
4. Step 4: Simplify right side
   3,877,644x = 35,063,475,359,364
5. Step 5: Solve for x
   x = 35,063,475,359,364/3,877,644
6. Step 6: Final answer
   x = 9,042,468.92