Finding the Third Proportional to 3,634,319 and 5,603,111

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634,319 : 5,603,111 = 5,603,111 : x
2. Step 2: Convert to fraction form
   3,634,319/5,603,111 = 5,603,111/x
3. Step 3: Cross multiply
   3,634,319x = 5,603,111 × 5,603,111
4. Step 4: Simplify right side
   3,634,319x = 31,394,852,878,321
5. Step 5: Solve for x
   x = 31,394,852,878,321/3,634,319
6. Step 6: Final answer
   x = 8,638,441.72