Finding the Third Proportional to 1,357,476 and 2,680,686

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357,476 : 2,680,686 = 2,680,686 : x
2. Step 2: Convert to fraction form
   1,357,476/2,680,686 = 2,680,686/x
3. Step 3: Cross multiply
   1,357,476x = 2,680,686 × 2,680,686
4. Step 4: Simplify right side
   1,357,476x = 7,186,077,430,596
5. Step 5: Solve for x
   x = 7,186,077,430,596/1,357,476
6. Step 6: Final answer
   x = 5,293,704.96