Finding the Third Proportional to 699,170 and 1,069,131

Step by Step Solution

1. Step 1: Write the proportion equation
   699,170 : 1,069,131 = 1,069,131 : x
2. Step 2: Convert to fraction form
   699,170/1,069,131 = 1,069,131/x
3. Step 3: Cross multiply
   699,170x = 1,069,131 × 1,069,131
4. Step 4: Simplify right side
   699,170x = 1,143,041,095,161
5. Step 5: Solve for x
   x = 1,143,041,095,161/699,170
6. Step 6: Final answer
   x = 1,634,854.32