Finding the Third Proportional to 2,105,099 and 4,564,215

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,099 : 4,564,215 = 4,564,215 : x
2. Step 2: Convert to fraction form
   2,105,099/4,564,215 = 4,564,215/x
3. Step 3: Cross multiply
   2,105,099x = 4,564,215 × 4,564,215
4. Step 4: Simplify right side
   2,105,099x = 20,832,058,566,225
5. Step 5: Solve for x
   x = 20,832,058,566,225/2,105,099
6. Step 6: Final answer
   x = 9,895,999.46