Finding the Third Proportional to 543,498 and 1,111,188

Step by Step Solution

1. Step 1: Write the proportion equation
   543,498 : 1,111,188 = 1,111,188 : x
2. Step 2: Convert to fraction form
   543,498/1,111,188 = 1,111,188/x
3. Step 3: Cross multiply
   543,498x = 1,111,188 × 1,111,188
4. Step 4: Simplify right side
   543,498x = 1,234,738,771,344
5. Step 5: Solve for x
   x = 1,234,738,771,344/543,498
6. Step 6: Final answer
   x = 2,271,836.83