Finding the Third Proportional to 3,721,106 and 5,603,440

Step by Step Solution

1. Step 1: Write the proportion equation
   3,721,106 : 5,603,440 = 5,603,440 : x
2. Step 2: Convert to fraction form
   3,721,106/5,603,440 = 5,603,440/x
3. Step 3: Cross multiply
   3,721,106x = 5,603,440 × 5,603,440
4. Step 4: Simplify right side
   3,721,106x = 31,398,539,833,600
5. Step 5: Solve for x
   x = 31,398,539,833,600/3,721,106
6. Step 6: Final answer
   x = 8,437,958.99