Finding the Third Proportional to 869,772 and 1,764,000

Step by Step Solution

1. Step 1: Write the proportion equation
   869,772 : 1,764,000 = 1,764,000 : x
2. Step 2: Convert to fraction form
   869,772/1,764,000 = 1,764,000/x
3. Step 3: Cross multiply
   869,772x = 1,764,000 × 1,764,000
4. Step 4: Simplify right side
   869,772x = 3,111,696,000,000
5. Step 5: Solve for x
   x = 3,111,696,000,000/869,772
6. Step 6: Final answer
   x = 3,577,599.65