Finding the Third Proportional to 518,382 and 1,078,137

Step by Step Solution

1. Step 1: Write the proportion equation
   518,382 : 1,078,137 = 1,078,137 : x
2. Step 2: Convert to fraction form
   518,382/1,078,137 = 1,078,137/x
3. Step 3: Cross multiply
   518,382x = 1,078,137 × 1,078,137
4. Step 4: Simplify right side
   518,382x = 1,162,379,390,769
5. Step 5: Solve for x
   x = 1,162,379,390,769/518,382
6. Step 6: Final answer
   x = 2,242,322.05