Finding the Third Proportional to 711,996 and 1,555,280

Step by Step Solution

1. Step 1: Write the proportion equation
   711,996 : 1,555,280 = 1,555,280 : x
2. Step 2: Convert to fraction form
   711,996/1,555,280 = 1,555,280/x
3. Step 3: Cross multiply
   711,996x = 1,555,280 × 1,555,280
4. Step 4: Simplify right side
   711,996x = 2,418,895,878,400
5. Step 5: Solve for x
   x = 2,418,895,878,400/711,996
6. Step 6: Final answer
   x = 3,397,344.76