Finding the Third Proportional to 1,822,637 and 4,219,551

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822,637 : 4,219,551 = 4,219,551 : x
2. Step 2: Convert to fraction form
   1,822,637/4,219,551 = 4,219,551/x
3. Step 3: Cross multiply
   1,822,637x = 4,219,551 × 4,219,551
4. Step 4: Simplify right side
   1,822,637x = 17,804,610,641,601
5. Step 5: Solve for x
   x = 17,804,610,641,601/1,822,637
6. Step 6: Final answer
   x = 9,768,599.37