Finding the Third Proportional to 543,920 and 1,178,236

Step by Step Solution

1. Step 1: Write the proportion equation
   543,920 : 1,178,236 = 1,178,236 : x
2. Step 2: Convert to fraction form
   543,920/1,178,236 = 1,178,236/x
3. Step 3: Cross multiply
   543,920x = 1,178,236 × 1,178,236
4. Step 4: Simplify right side
   543,920x = 1,388,240,071,696
5. Step 5: Solve for x
   x = 1,388,240,071,696/543,920
6. Step 6: Final answer
   x = 2,552,287.23