Finding the Third Proportional to 3,634,380 and 5,603,196

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634,380 : 5,603,196 = 5,603,196 : x
2. Step 2: Convert to fraction form
   3,634,380/5,603,196 = 5,603,196/x
3. Step 3: Cross multiply
   3,634,380x = 5,603,196 × 5,603,196
4. Step 4: Simplify right side
   3,634,380x = 31,395,805,414,416
5. Step 5: Solve for x
   x = 31,395,805,414,416/3,634,380
6. Step 6: Final answer
   x = 8,638,558.82