Finding the Third Proportional to 847,728 and 1,188,264

Step by Step Solution

1. Step 1: Write the proportion equation
   847,728 : 1,188,264 = 1,188,264 : x
2. Step 2: Convert to fraction form
   847,728/1,188,264 = 1,188,264/x
3. Step 3: Cross multiply
   847,728x = 1,188,264 × 1,188,264
4. Step 4: Simplify right side
   847,728x = 1,411,971,333,696
5. Step 5: Solve for x
   x = 1,411,971,333,696/847,728
6. Step 6: Final answer
   x = 1,665,594.78