Finding the Third Proportional to 713,548 and 1,105,458

Step by Step Solution

1. Step 1: Write the proportion equation
   713,548 : 1,105,458 = 1,105,458 : x
2. Step 2: Convert to fraction form
   713,548/1,105,458 = 1,105,458/x
3. Step 3: Cross multiply
   713,548x = 1,105,458 × 1,105,458
4. Step 4: Simplify right side
   713,548x = 1,222,037,389,764
5. Step 5: Solve for x
   x = 1,222,037,389,764/713,548
6. Step 6: Final answer
   x = 1,712,621.14