Finding the Third Proportional to 543,689.25 and 1,176,978

Step by Step Solution

1. Step 1: Write the proportion equation
   543,689.25 : 1,176,978 = 1,176,978 : x
2. Step 2: Convert to fraction form
   543,689.25/1,176,978 = 1,176,978/x
3. Step 3: Cross multiply
   543,689.25x = 1,176,978 × 1,176,978
4. Step 4: Simplify right side
   543,689.25x = 1,385,277,212,484
5. Step 5: Solve for x
   x = 1,385,277,212,484/543,689.25
6. Step 6: Final answer
   x = 2,547,920.92