Finding the Third Proportional to 1,448,472 and 2,128,314

Step by Step Solution

1. Step 1: Write the proportion equation
   1,448,472 : 2,128,314 = 2,128,314 : x
2. Step 2: Convert to fraction form
   1,448,472/2,128,314 = 2,128,314/x
3. Step 3: Cross multiply
   1,448,472x = 2,128,314 × 2,128,314
4. Step 4: Simplify right side
   1,448,472x = 4,529,720,482,596
5. Step 5: Solve for x
   x = 4,529,720,482,596/1,448,472
6. Step 6: Final answer
   x = 3,127,240.63