Finding the Third Proportional to 601,689 and 1,321,461

Step by Step Solution

1. Step 1: Write the proportion equation
   601,689 : 1,321,461 = 1,321,461 : x
2. Step 2: Convert to fraction form
   601,689/1,321,461 = 1,321,461/x
3. Step 3: Cross multiply
   601,689x = 1,321,461 × 1,321,461
4. Step 4: Simplify right side
   601,689x = 1,746,259,174,521
5. Step 5: Solve for x
   x = 1,746,259,174,521/601,689
6. Step 6: Final answer
   x = 2,902,262.09