Finding the Third Proportional to 586,502 and 1,307,788

Step by Step Solution

1. Step 1: Write the proportion equation
   586,502 : 1,307,788 = 1,307,788 : x
2. Step 2: Convert to fraction form
   586,502/1,307,788 = 1,307,788/x
3. Step 3: Cross multiply
   586,502x = 1,307,788 × 1,307,788
4. Step 4: Simplify right side
   586,502x = 1,710,309,452,944
5. Step 5: Solve for x
   x = 1,710,309,452,944/586,502
6. Step 6: Final answer
   x = 2,916,118.71