Finding the Third Proportional to 847,770 and 1,188,147

Step by Step Solution

1. Step 1: Write the proportion equation
   847,770 : 1,188,147 = 1,188,147 : x
2. Step 2: Convert to fraction form
   847,770/1,188,147 = 1,188,147/x
3. Step 3: Cross multiply
   847,770x = 1,188,147 × 1,188,147
4. Step 4: Simplify right side
   847,770x = 1,411,693,293,609
5. Step 5: Solve for x
   x = 1,411,693,293,609/847,770
6. Step 6: Final answer
   x = 1,665,184.30