Finding the Third Proportional to 686,412 and 1,050,048

Step by Step Solution

1. Step 1: Write the proportion equation
   686,412 : 1,050,048 = 1,050,048 : x
2. Step 2: Convert to fraction form
   686,412/1,050,048 = 1,050,048/x
3. Step 3: Cross multiply
   686,412x = 1,050,048 × 1,050,048
4. Step 4: Simplify right side
   686,412x = 1,102,600,802,304
5. Step 5: Solve for x
   x = 1,102,600,802,304/686,412
6. Step 6: Final answer
   x = 1,606,325.07