Finding the Third Proportional to 1,989,627 and 4,262,913

Step by Step Solution

1. Step 1: Write the proportion equation
   1,989,627 : 4,262,913 = 4,262,913 : x
2. Step 2: Convert to fraction form
   1,989,627/4,262,913 = 4,262,913/x
3. Step 3: Cross multiply
   1,989,627x = 4,262,913 × 4,262,913
4. Step 4: Simplify right side
   1,989,627x = 18,172,427,245,569
5. Step 5: Solve for x
   x = 18,172,427,245,569/1,989,627
6. Step 6: Final answer
   x = 9,133,584.96