Finding the Third Proportional to 699,984 and 1,535,561

Step by Step Solution

1. Step 1: Write the proportion equation
   699,984 : 1,535,561 = 1,535,561 : x
2. Step 2: Convert to fraction form
   699,984/1,535,561 = 1,535,561/x
3. Step 3: Cross multiply
   699,984x = 1,535,561 × 1,535,561
4. Step 4: Simplify right side
   699,984x = 2,357,947,584,721
5. Step 5: Solve for x
   x = 2,357,947,584,721/699,984
6. Step 6: Final answer
   x = 3,368,573.55