Finding the Third Proportional to 746,934 and 1,638,996

Step by Step Solution

1. Step 1: Write the proportion equation
   746,934 : 1,638,996 = 1,638,996 : x
2. Step 2: Convert to fraction form
   746,934/1,638,996 = 1,638,996/x
3. Step 3: Cross multiply
   746,934x = 1,638,996 × 1,638,996
4. Step 4: Simplify right side
   746,934x = 2,686,307,888,016
5. Step 5: Solve for x
   x = 2,686,307,888,016/746,934
6. Step 6: Final answer
   x = 3,596,446.12