Finding the Third Proportional to 1,357,467 and 2,680,668

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357,467 : 2,680,668 = 2,680,668 : x
2. Step 2: Convert to fraction form
   1,357,467/2,680,668 = 2,680,668/x
3. Step 3: Cross multiply
   1,357,467x = 2,680,668 × 2,680,668
4. Step 4: Simplify right side
   1,357,467x = 7,185,980,926,224
5. Step 5: Solve for x
   x = 7,185,980,926,224/1,357,467
6. Step 6: Final answer
   x = 5,293,668.96