Finding the Third Proportional to 847,740 and 1,188,281

Step by Step Solution

1. Step 1: Write the proportion equation
   847,740 : 1,188,281 = 1,188,281 : x
2. Step 2: Convert to fraction form
   847,740/1,188,281 = 1,188,281/x
3. Step 3: Cross multiply
   847,740x = 1,188,281 × 1,188,281
4. Step 4: Simplify right side
   847,740x = 1,412,011,734,961
5. Step 5: Solve for x
   x = 1,412,011,734,961/847,740
6. Step 6: Final answer
   x = 1,665,618.86