Finding the Third Proportional to 686,929 and 1,488,204

Step by Step Solution

1. Step 1: Write the proportion equation
   686,929 : 1,488,204 = 1,488,204 : x
2. Step 2: Convert to fraction form
   686,929/1,488,204 = 1,488,204/x
3. Step 3: Cross multiply
   686,929x = 1,488,204 × 1,488,204
4. Step 4: Simplify right side
   686,929x = 2,214,751,145,616
5. Step 5: Solve for x
   x = 2,214,751,145,616/686,929
6. Step 6: Final answer
   x = 3,224,134.00