Finding the Third Proportional to 1,018,480 and 2,212,121

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,480 : 2,212,121 = 2,212,121 : x
2. Step 2: Convert to fraction form
   1,018,480/2,212,121 = 2,212,121/x
3. Step 3: Cross multiply
   1,018,480x = 2,212,121 × 2,212,121
4. Step 4: Simplify right side
   1,018,480x = 4,893,479,318,641
5. Step 5: Solve for x
   x = 4,893,479,318,641/1,018,480
6. Step 6: Final answer
   x = 4,804,688.67