Finding the Third Proportional to 1,312,320 and 2,861,808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,320 : 2,861,808 = 2,861,808 : x
2. Step 2: Convert to fraction form
   1,312,320/2,861,808 = 2,861,808/x
3. Step 3: Cross multiply
   1,312,320x = 2,861,808 × 2,861,808
4. Step 4: Simplify right side
   1,312,320x = 8,189,945,028,864
5. Step 5: Solve for x
   x = 8,189,945,028,864/1,312,320
6. Step 6: Final answer
   x = 6,240,814.00