Finding the Third Proportional to 847,392 and 1,187,616

Step by Step Solution

1. Step 1: Write the proportion equation
   847,392 : 1,187,616 = 1,187,616 : x
2. Step 2: Convert to fraction form
   847,392/1,187,616 = 1,187,616/x
3. Step 3: Cross multiply
   847,392x = 1,187,616 × 1,187,616
4. Step 4: Simplify right side
   847,392x = 1,410,431,763,456
5. Step 5: Solve for x
   x = 1,410,431,763,456/847,392
6. Step 6: Final answer
   x = 1,664,438.37