Finding the Third Proportional to 771,144 and 1,152,180

Step by Step Solution

1. Step 1: Write the proportion equation
   771,144 : 1,152,180 = 1,152,180 : x
2. Step 2: Convert to fraction form
   771,144/1,152,180 = 1,152,180/x
3. Step 3: Cross multiply
   771,144x = 1,152,180 × 1,152,180
4. Step 4: Simplify right side
   771,144x = 1,327,518,752,400
5. Step 5: Solve for x
   x = 1,327,518,752,400/771,144
6. Step 6: Final answer
   x = 1,721,492.68