Finding the Third Proportional to 672,314 and 1,456,642

Step by Step Solution

1. Step 1: Write the proportion equation
   672,314 : 1,456,642 = 1,456,642 : x
2. Step 2: Convert to fraction form
   672,314/1,456,642 = 1,456,642/x
3. Step 3: Cross multiply
   672,314x = 1,456,642 × 1,456,642
4. Step 4: Simplify right side
   672,314x = 2,121,805,916,164
5. Step 5: Solve for x
   x = 2,121,805,916,164/672,314
6. Step 6: Final answer
   x = 3,155,974.61