Finding the Third Proportional to 1,015,422 and 2,161,248

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,422 : 2,161,248 = 2,161,248 : x
2. Step 2: Convert to fraction form
   1,015,422/2,161,248 = 2,161,248/x
3. Step 3: Cross multiply
   1,015,422x = 2,161,248 × 2,161,248
4. Step 4: Simplify right side
   1,015,422x = 4,670,992,917,504
5. Step 5: Solve for x
   x = 4,670,992,917,504/1,015,422
6. Step 6: Final answer
   x = 4,600,050.93