Finding the Third Proportional to 515,145 and 1,116,042

Step by Step Solution

1. Step 1: Write the proportion equation
   515,145 : 1,116,042 = 1,116,042 : x
2. Step 2: Convert to fraction form
   515,145/1,116,042 = 1,116,042/x
3. Step 3: Cross multiply
   515,145x = 1,116,042 × 1,116,042
4. Step 4: Simplify right side
   515,145x = 1,245,549,745,764
5. Step 5: Solve for x
   x = 1,245,549,745,764/515,145
6. Step 6: Final answer
   x = 2,417,862.44