Finding the Third Proportional to 886,688 and 1,339,342

Step by Step Solution

1. Step 1: Write the proportion equation
   886,688 : 1,339,342 = 1,339,342 : x
2. Step 2: Convert to fraction form
   886,688/1,339,342 = 1,339,342/x
3. Step 3: Cross multiply
   886,688x = 1,339,342 × 1,339,342
4. Step 4: Simplify right side
   886,688x = 1,793,836,992,964
5. Step 5: Solve for x
   x = 1,793,836,992,964/886,688
6. Step 6: Final answer
   x = 2,023,075.75