Finding the Third Proportional to 1,357,412 and 2,808,786

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357,412 : 2,808,786 = 2,808,786 : x
2. Step 2: Convert to fraction form
   1,357,412/2,808,786 = 2,808,786/x
3. Step 3: Cross multiply
   1,357,412x = 2,808,786 × 2,808,786
4. Step 4: Simplify right side
   1,357,412x = 7,889,278,793,796
5. Step 5: Solve for x
   x = 7,889,278,793,796/1,357,412
6. Step 6: Final answer
   x = 5,812,000.18