Finding the Third Proportional to 847,592 and 1,280,028

Step by Step Solution

1. Step 1: Write the proportion equation
   847,592 : 1,280,028 = 1,280,028 : x
2. Step 2: Convert to fraction form
   847,592/1,280,028 = 1,280,028/x
3. Step 3: Cross multiply
   847,592x = 1,280,028 × 1,280,028
4. Step 4: Simplify right side
   847,592x = 1,638,471,680,784
5. Step 5: Solve for x
   x = 1,638,471,680,784/847,592
6. Step 6: Final answer
   x = 1,933,090.07