Finding the Third Proportional to 1,709,912 and 2,668,386

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709,912 : 2,668,386 = 2,668,386 : x
2. Step 2: Convert to fraction form
   1,709,912/2,668,386 = 2,668,386/x
3. Step 3: Cross multiply
   1,709,912x = 2,668,386 × 2,668,386
4. Step 4: Simplify right side
   1,709,912x = 7,120,283,844,996
5. Step 5: Solve for x
   x = 7,120,283,844,996/1,709,912
6. Step 6: Final answer
   x = 4,164,122.98