Finding the Third Proportional to 518,604 and 1,073,208

Step by Step Solution

1. Step 1: Write the proportion equation
   518,604 : 1,073,208 = 1,073,208 : x
2. Step 2: Convert to fraction form
   518,604/1,073,208 = 1,073,208/x
3. Step 3: Cross multiply
   518,604x = 1,073,208 × 1,073,208
4. Step 4: Simplify right side
   518,604x = 1,151,775,411,264
5. Step 5: Solve for x
   x = 1,151,775,411,264/518,604
6. Step 6: Final answer
   x = 2,220,915.02