Finding the Third Proportional to 2,193,185 and 4,890,653

Step by Step Solution

1. Step 1: Write the proportion equation
   2,193,185 : 4,890,653 = 4,890,653 : x
2. Step 2: Convert to fraction form
   2,193,185/4,890,653 = 4,890,653/x
3. Step 3: Cross multiply
   2,193,185x = 4,890,653 × 4,890,653
4. Step 4: Simplify right side
   2,193,185x = 23,918,486,766,409
5. Step 5: Solve for x
   x = 23,918,486,766,409/2,193,185
6. Step 6: Final answer
   x = 10,905,822.70