Finding the Third Proportional to 646,496 and 1,371,796

Step by Step Solution

1. Step 1: Write the proportion equation
   646,496 : 1,371,796 = 1,371,796 : x
2. Step 2: Convert to fraction form
   646,496/1,371,796 = 1,371,796/x
3. Step 3: Cross multiply
   646,496x = 1,371,796 × 1,371,796
4. Step 4: Simplify right side
   646,496x = 1,881,824,265,616
5. Step 5: Solve for x
   x = 1,881,824,265,616/646,496
6. Step 6: Final answer
   x = 2,910,805.74