Finding the Third Proportional to 726,348 and 1,200,402

Step by Step Solution

1. Step 1: Write the proportion equation
   726,348 : 1,200,402 = 1,200,402 : x
2. Step 2: Convert to fraction form
   726,348/1,200,402 = 1,200,402/x
3. Step 3: Cross multiply
   726,348x = 1,200,402 × 1,200,402
4. Step 4: Simplify right side
   726,348x = 1,440,964,961,604
5. Step 5: Solve for x
   x = 1,440,964,961,604/726,348
6. Step 6: Final answer
   x = 1,983,849.29