Finding the Third Proportional to 645,528 and 1,367,844

Step by Step Solution

1. Step 1: Write the proportion equation
   645,528 : 1,367,844 = 1,367,844 : x
2. Step 2: Convert to fraction form
   645,528/1,367,844 = 1,367,844/x
3. Step 3: Cross multiply
   645,528x = 1,367,844 × 1,367,844
4. Step 4: Simplify right side
   645,528x = 1,870,997,208,336
5. Step 5: Solve for x
   x = 1,870,997,208,336/645,528
6. Step 6: Final answer
   x = 2,898,398.22