Finding the Third Proportional to 713,572 and 978,513

Step by Step Solution

1. Step 1: Write the proportion equation
   713,572 : 978,513 = 978,513 : x
2. Step 2: Convert to fraction form
   713,572/978,513 = 978,513/x
3. Step 3: Cross multiply
   713,572x = 978,513 × 978,513
4. Step 4: Simplify right side
   713,572x = 957,487,691,169
5. Step 5: Solve for x
   x = 957,487,691,169/713,572
6. Step 6: Final answer
   x = 1,341,823.52