Finding the Third Proportional to 3,877,636 and 5,921,430

Step by Step Solution

1. Step 1: Write the proportion equation
   3,877,636 : 5,921,430 = 5,921,430 : x
2. Step 2: Convert to fraction form
   3,877,636/5,921,430 = 5,921,430/x
3. Step 3: Cross multiply
   3,877,636x = 5,921,430 × 5,921,430
4. Step 4: Simplify right side
   3,877,636x = 35,063,333,244,900
5. Step 5: Solve for x
   x = 35,063,333,244,900/3,877,636
6. Step 6: Final answer
   x = 9,042,450.93