Finding the Third Proportional to 686,930 and 1,010,518

Step by Step Solution

1. Step 1: Write the proportion equation
   686,930 : 1,010,518 = 1,010,518 : x
2. Step 2: Convert to fraction form
   686,930/1,010,518 = 1,010,518/x
3. Step 3: Cross multiply
   686,930x = 1,010,518 × 1,010,518
4. Step 4: Simplify right side
   686,930x = 1,021,146,628,324
5. Step 5: Solve for x
   x = 1,021,146,628,324/686,930
6. Step 6: Final answer
   x = 1,486,536.66