Finding the Third Proportional to 2,193,155 and 4,890,588

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193,155 : 4,890,588 = 4,890,588 : x
2. Step 2: Convert to fraction form
   2,193,155/4,890,588 = 4,890,588/x
3. Step 3: Cross multiply
   2,193,155x = 4,890,588 × 4,890,588
4. Step 4: Simplify right side
   2,193,155x = 23,917,850,985,744
5. Step 5: Solve for x
   x = 23,917,850,985,744/2,193,155
6. Step 6: Final answer
   x = 10,905,681.99