Finding the Third Proportional to 1,012,887 and 2,161,368

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,887 : 2,161,368 = 2,161,368 : x
2. Step 2: Convert to fraction form
   1,012,887/2,161,368 = 2,161,368/x
3. Step 3: Cross multiply
   1,012,887x = 2,161,368 × 2,161,368
4. Step 4: Simplify right side
   1,012,887x = 4,671,511,631,424
5. Step 5: Solve for x
   x = 4,671,511,631,424/1,012,887
6. Step 6: Final answer
   x = 4,612,075.81