Finding the Third Proportional to 543,111 and 1,179,534

Step by Step Solution

1. Step 1: Write the proportion equation
   543,111 : 1,179,534 = 1,179,534 : x
2. Step 2: Convert to fraction form
   543,111/1,179,534 = 1,179,534/x
3. Step 3: Cross multiply
   543,111x = 1,179,534 × 1,179,534
4. Step 4: Simplify right side
   543,111x = 1,391,300,457,156
5. Step 5: Solve for x
   x = 1,391,300,457,156/543,111
6. Step 6: Final answer
   x = 2,561,723.95