Finding the Third Proportional to 675,406 and 1,069,487

Step by Step Solution

1. Step 1: Write the proportion equation
   675,406 : 1,069,487 = 1,069,487 : x
2. Step 2: Convert to fraction form
   675,406/1,069,487 = 1,069,487/x
3. Step 3: Cross multiply
   675,406x = 1,069,487 × 1,069,487
4. Step 4: Simplify right side
   675,406x = 1,143,802,443,169
5. Step 5: Solve for x
   x = 1,143,802,443,169/675,406
6. Step 6: Final answer
   x = 1,693,503.53