Finding the Third Proportional to 601,721 and 1,321,528

Step by Step Solution

1. Step 1: Write the proportion equation
   601,721 : 1,321,528 = 1,321,528 : x
2. Step 2: Convert to fraction form
   601,721/1,321,528 = 1,321,528/x
3. Step 3: Cross multiply
   601,721x = 1,321,528 × 1,321,528
4. Step 4: Simplify right side
   601,721x = 1,746,436,254,784
5. Step 5: Solve for x
   x = 1,746,436,254,784/601,721
6. Step 6: Final answer
   x = 2,902,402.03