Finding the Third Proportional to 2,122,178 and 4,603,235

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,178 : 4,603,235 = 4,603,235 : x
2. Step 2: Convert to fraction form
   2,122,178/4,603,235 = 4,603,235/x
3. Step 3: Cross multiply
   2,122,178x = 4,603,235 × 4,603,235
4. Step 4: Simplify right side
   2,122,178x = 21,189,772,465,225
5. Step 5: Solve for x
   x = 21,189,772,465,225/2,122,178
6. Step 6: Final answer
   x = 9,984,917.60