Finding the Third Proportional to 1,448,464 and 2,128,302

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448,464 : 2,128,302 = 2,128,302 : x
2. Step 2: Convert to fraction form
   1,448,464/2,128,302 = 2,128,302/x
3. Step 3: Cross multiply
   1,448,464x = 2,128,302 × 2,128,302
4. Step 4: Simplify right side
   1,448,464x = 4,529,669,403,204
5. Step 5: Solve for x
   x = 4,529,669,403,204/1,448,464
6. Step 6: Final answer
   x = 3,127,222.63