Finding the Third Proportional to 518,536 and 1,118,000

Step by Step Solution

1. Step 1: Write the proportion equation
   518,536 : 1,118,000 = 1,118,000 : x
2. Step 2: Convert to fraction form
   518,536/1,118,000 = 1,118,000/x
3. Step 3: Cross multiply
   518,536x = 1,118,000 × 1,118,000
4. Step 4: Simplify right side
   518,536x = 1,249,924,000,000
5. Step 5: Solve for x
   x = 1,249,924,000,000/518,536
6. Step 6: Final answer
   x = 2,410,486.45