Finding the Third Proportional to 1,143,411 and 1,680,861

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,411 : 1,680,861 = 1,680,861 : x
2. Step 2: Convert to fraction form
   1,143,411/1,680,861 = 1,680,861/x
3. Step 3: Cross multiply
   1,143,411x = 1,680,861 × 1,680,861
4. Step 4: Simplify right side
   1,143,411x = 2,825,293,701,321
5. Step 5: Solve for x
   x = 2,825,293,701,321/1,143,411
6. Step 6: Final answer
   x = 2,470,934.51