Finding the Third Proportional to 612,412 and 1,313,416

Step by Step Solution

1. Step 1: Write the proportion equation
   612,412 : 1,313,416 = 1,313,416 : x
2. Step 2: Convert to fraction form
   612,412/1,313,416 = 1,313,416/x
3. Step 3: Cross multiply
   612,412x = 1,313,416 × 1,313,416
4. Step 4: Simplify right side
   612,412x = 1,725,061,589,056
5. Step 5: Solve for x
   x = 1,725,061,589,056/612,412
6. Step 6: Final answer
   x = 2,816,831.79