Finding the Third Proportional to 868,202 and 1,861,000

Step by Step Solution

1. Step 1: Write the proportion equation
   868,202 : 1,861,000 = 1,861,000 : x
2. Step 2: Convert to fraction form
   868,202/1,861,000 = 1,861,000/x
3. Step 3: Cross multiply
   868,202x = 1,861,000 × 1,861,000
4. Step 4: Simplify right side
   868,202x = 3,463,321,000,000
5. Step 5: Solve for x
   x = 3,463,321,000,000/868,202
6. Step 6: Final answer
   x = 3,989,072.82