Finding the Third Proportional to 1,010,648 and 1,486,412

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,648 : 1,486,412 = 1,486,412 : x
2. Step 2: Convert to fraction form
   1,010,648/1,486,412 = 1,486,412/x
3. Step 3: Cross multiply
   1,010,648x = 1,486,412 × 1,486,412
4. Step 4: Simplify right side
   1,010,648x = 2,209,420,633,744
5. Step 5: Solve for x
   x = 2,209,420,633,744/1,010,648
6. Step 6: Final answer
   x = 2,186,142.59