Finding the Third Proportional to 1,049,643 and 1,671,003

Step by Step Solution

1. Step 1: Write the proportion equation
   1,049,643 : 1,671,003 = 1,671,003 : x
2. Step 2: Convert to fraction form
   1,049,643/1,671,003 = 1,671,003/x
3. Step 3: Cross multiply
   1,049,643x = 1,671,003 × 1,671,003
4. Step 4: Simplify right side
   1,049,643x = 2,792,251,026,009
5. Step 5: Solve for x
   x = 2,792,251,026,009/1,049,643
6. Step 6: Final answer
   x = 2,660,191.16