Finding the Third Proportional to 3,877,643 and 5,921,441

Step by Step Solution

1. Step 1: Write the proportion equation
   3,877,643 : 5,921,441 = 5,921,441 : x
2. Step 2: Convert to fraction form
   3,877,643/5,921,441 = 5,921,441/x
3. Step 3: Cross multiply
   3,877,643x = 5,921,441 × 5,921,441
4. Step 4: Simplify right side
   3,877,643x = 35,063,463,516,481
5. Step 5: Solve for x
   x = 35,063,463,516,481/3,877,643
6. Step 6: Final answer
   x = 9,042,468.20