Finding the Third Proportional to 517,709 and 1,112,262

Step by Step Solution

1. Step 1: Write the proportion equation
   517,709 : 1,112,262 = 1,112,262 : x
2. Step 2: Convert to fraction form
   517,709/1,112,262 = 1,112,262/x
3. Step 3: Cross multiply
   517,709x = 1,112,262 × 1,112,262
4. Step 4: Simplify right side
   517,709x = 1,237,126,756,644
5. Step 5: Solve for x
   x = 1,237,126,756,644/517,709
6. Step 6: Final answer
   x = 2,389,618.02