Finding the Third Proportional to 612,410 and 1,313,412

Step by Step Solution

1. Step 1: Write the proportion equation
   612,410 : 1,313,412 = 1,313,412 : x
2. Step 2: Convert to fraction form
   612,410/1,313,412 = 1,313,412/x
3. Step 3: Cross multiply
   612,410x = 1,313,412 × 1,313,412
4. Step 4: Simplify right side
   612,410x = 1,725,051,081,744
5. Step 5: Solve for x
   x = 1,725,051,081,744/612,410
6. Step 6: Final answer
   x = 2,816,823.83