Finding the Third Proportional to 1,688,271 and 3,696,729

Step by Step Solution

1. Step 1: Write the proportion equation
   1,688,271 : 3,696,729 = 3,696,729 : x
2. Step 2: Convert to fraction form
   1,688,271/3,696,729 = 3,696,729/x
3. Step 3: Cross multiply
   1,688,271x = 3,696,729 × 3,696,729
4. Step 4: Simplify right side
   1,688,271x = 13,665,805,299,441
5. Step 5: Solve for x
   x = 13,665,805,299,441/1,688,271
6. Step 6: Final answer
   x = 8,094,556.68