Finding the Third Proportional to 543,620 and 1,177,960

Step by Step Solution

1. Step 1: Write the proportion equation
   543,620 : 1,177,960 = 1,177,960 : x
2. Step 2: Convert to fraction form
   543,620/1,177,960 = 1,177,960/x
3. Step 3: Cross multiply
   543,620x = 1,177,960 × 1,177,960
4. Step 4: Simplify right side
   543,620x = 1,387,589,761,600
5. Step 5: Solve for x
   x = 1,387,589,761,600/543,620
6. Step 6: Final answer
   x = 2,552,499.47