Finding the Third Proportional to 677,148 and 1,071,330

Step by Step Solution

1. Step 1: Write the proportion equation
   677,148 : 1,071,330 = 1,071,330 : x
2. Step 2: Convert to fraction form
   677,148/1,071,330 = 1,071,330/x
3. Step 3: Cross multiply
   677,148x = 1,071,330 × 1,071,330
4. Step 4: Simplify right side
   677,148x = 1,147,747,968,900
5. Step 5: Solve for x
   x = 1,147,747,968,900/677,148
6. Step 6: Final answer
   x = 1,694,973.58