Finding the Third Proportional to 687,132 and 1,010,148

Step by Step Solution

1. Step 1: Write the proportion equation
   687,132 : 1,010,148 = 1,010,148 : x
2. Step 2: Convert to fraction form
   687,132/1,010,148 = 1,010,148/x
3. Step 3: Cross multiply
   687,132x = 1,010,148 × 1,010,148
4. Step 4: Simplify right side
   687,132x = 1,020,398,981,904
5. Step 5: Solve for x
   x = 1,020,398,981,904/687,132
6. Step 6: Final answer
   x = 1,485,011.59