Finding the Third Proportional to 677,154 and 1,071,339

Step by Step Solution

1. Step 1: Write the proportion equation
   677,154 : 1,071,339 = 1,071,339 : x
2. Step 2: Convert to fraction form
   677,154/1,071,339 = 1,071,339/x
3. Step 3: Cross multiply
   677,154x = 1,071,339 × 1,071,339
4. Step 4: Simplify right side
   677,154x = 1,147,767,252,921
5. Step 5: Solve for x
   x = 1,147,767,252,921/677,154
6. Step 6: Final answer
   x = 1,694,987.04