Finding the Third Proportional to 913,720 and 1,339,412

Step by Step Solution

1. Step 1: Write the proportion equation
   913,720 : 1,339,412 = 1,339,412 : x
2. Step 2: Convert to fraction form
   913,720/1,339,412 = 1,339,412/x
3. Step 3: Cross multiply
   913,720x = 1,339,412 × 1,339,412
4. Step 4: Simplify right side
   913,720x = 1,794,024,505,744
5. Step 5: Solve for x
   x = 1,794,024,505,744/913,720
6. Step 6: Final answer
   x = 1,963,429.17