Finding the Third Proportional to 500,676 and 1,042,788

Step by Step Solution

1. Step 1: Write the proportion equation
   500,676 : 1,042,788 = 1,042,788 : x
2. Step 2: Convert to fraction form
   500,676/1,042,788 = 1,042,788/x
3. Step 3: Cross multiply
   500,676x = 1,042,788 × 1,042,788
4. Step 4: Simplify right side
   500,676x = 1,087,406,812,944
5. Step 5: Solve for x
   x = 1,087,406,812,944/500,676
6. Step 6: Final answer
   x = 2,171,877.25