Finding the Third Proportional to 601,744 and 1,321,580

Step by Step Solution

1. Step 1: Write the proportion equation
   601,744 : 1,321,580 = 1,321,580 : x
2. Step 2: Convert to fraction form
   601,744/1,321,580 = 1,321,580/x
3. Step 3: Cross multiply
   601,744x = 1,321,580 × 1,321,580
4. Step 4: Simplify right side
   601,744x = 1,746,573,696,400
5. Step 5: Solve for x
   x = 1,746,573,696,400/601,744
6. Step 6: Final answer
   x = 2,902,519.50