Finding the Third Proportional to 1,709,842 and 2,668,280

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709,842 : 2,668,280 = 2,668,280 : x
2. Step 2: Convert to fraction form
   1,709,842/2,668,280 = 2,668,280/x
3. Step 3: Cross multiply
   1,709,842x = 2,668,280 × 2,668,280
4. Step 4: Simplify right side
   1,709,842x = 7,119,718,158,400
5. Step 5: Solve for x
   x = 7,119,718,158,400/1,709,842
6. Step 6: Final answer
   x = 4,163,962.61