Finding the Third Proportional to 601,749 and 1,321,590

Step by Step Solution

1. Step 1: Write the proportion equation
   601,749 : 1,321,590 = 1,321,590 : x
2. Step 2: Convert to fraction form
   601,749/1,321,590 = 1,321,590/x
3. Step 3: Cross multiply
   601,749x = 1,321,590 × 1,321,590
4. Step 4: Simplify right side
   601,749x = 1,746,600,128,100
5. Step 5: Solve for x
   x = 1,746,600,128,100/601,749
6. Step 6: Final answer
   x = 2,902,539.31