Finding the Third Proportional to 686,984 and 1,010,576

Step by Step Solution

1. Step 1: Write the proportion equation
   686,984 : 1,010,576 = 1,010,576 : x
2. Step 2: Convert to fraction form
   686,984/1,010,576 = 1,010,576/x
3. Step 3: Cross multiply
   686,984x = 1,010,576 × 1,010,576
4. Step 4: Simplify right side
   686,984x = 1,021,263,851,776
5. Step 5: Solve for x
   x = 1,021,263,851,776/686,984
6. Step 6: Final answer
   x = 1,486,590.45