Finding the Third Proportional to 518,906 and 1,126,390

Step by Step Solution

1. Step 1: Write the proportion equation
   518,906 : 1,126,390 = 1,126,390 : x
2. Step 2: Convert to fraction form
   518,906/1,126,390 = 1,126,390/x
3. Step 3: Cross multiply
   518,906x = 1,126,390 × 1,126,390
4. Step 4: Simplify right side
   518,906x = 1,268,754,432,100
5. Step 5: Solve for x
   x = 1,268,754,432,100/518,906
6. Step 6: Final answer
   x = 2,445,056.39