Finding the Third Proportional to 543,840 and 1,178,076

Step by Step Solution

1. Step 1: Write the proportion equation
   543,840 : 1,178,076 = 1,178,076 : x
2. Step 2: Convert to fraction form
   543,840/1,178,076 = 1,178,076/x
3. Step 3: Cross multiply
   543,840x = 1,178,076 × 1,178,076
4. Step 4: Simplify right side
   543,840x = 1,387,863,061,776
5. Step 5: Solve for x
   x = 1,387,863,061,776/543,840
6. Step 6: Final answer
   x = 2,551,969.44