Finding the Third Proportional to 518,164 and 1,115,058

Step by Step Solution

1. Step 1: Write the proportion equation
   518,164 : 1,115,058 = 1,115,058 : x
2. Step 2: Convert to fraction form
   518,164/1,115,058 = 1,115,058/x
3. Step 3: Cross multiply
   518,164x = 1,115,058 × 1,115,058
4. Step 4: Simplify right side
   518,164x = 1,243,354,343,364
5. Step 5: Solve for x
   x = 1,243,354,343,364/518,164
6. Step 6: Final answer
   x = 2,399,538.26