Finding the Third Proportional to 781,920 and 1,152,144

Step by Step Solution

1. Step 1: Write the proportion equation
   781,920 : 1,152,144 = 1,152,144 : x
2. Step 2: Convert to fraction form
   781,920/1,152,144 = 1,152,144/x
3. Step 3: Cross multiply
   781,920x = 1,152,144 × 1,152,144
4. Step 4: Simplify right side
   781,920x = 1,327,435,796,736
5. Step 5: Solve for x
   x = 1,327,435,796,736/781,920
6. Step 6: Final answer
   x = 1,697,661.90