Finding the Third Proportional to 847,776 and 1,188,240

Step by Step Solution

1. Step 1: Write the proportion equation
   847,776 : 1,188,240 = 1,188,240 : x
2. Step 2: Convert to fraction form
   847,776/1,188,240 = 1,188,240/x
3. Step 3: Cross multiply
   847,776x = 1,188,240 × 1,188,240
4. Step 4: Simplify right side
   847,776x = 1,411,914,297,600
5. Step 5: Solve for x
   x = 1,411,914,297,600/847,776
6. Step 6: Final answer
   x = 1,665,433.20