Finding the Third Proportional to 540,989 and 1,175,290

Step by Step Solution

1. Step 1: Write the proportion equation
   540,989 : 1,175,290 = 1,175,290 : x
2. Step 2: Convert to fraction form
   540,989/1,175,290 = 1,175,290/x
3. Step 3: Cross multiply
   540,989x = 1,175,290 × 1,175,290
4. Step 4: Simplify right side
   540,989x = 1,381,306,584,100
5. Step 5: Solve for x
   x = 1,381,306,584,100/540,989
6. Step 6: Final answer
   x = 2,553,298.84