Finding the Third Proportional to 847,772 and 1,188,150

Step by Step Solution

1. Step 1: Write the proportion equation
   847,772 : 1,188,150 = 1,188,150 : x
2. Step 2: Convert to fraction form
   847,772/1,188,150 = 1,188,150/x
3. Step 3: Cross multiply
   847,772x = 1,188,150 × 1,188,150
4. Step 4: Simplify right side
   847,772x = 1,411,700,422,500
5. Step 5: Solve for x
   x = 1,411,700,422,500/847,772
6. Step 6: Final answer
   x = 1,665,188.78