Finding the Third Proportional to 1,122,528 and 1,685,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,528 : 1,685,072 = 1,685,072 : x
2. Step 2: Convert to fraction form
   1,122,528/1,685,072 = 1,685,072/x
3. Step 3: Cross multiply
   1,122,528x = 1,685,072 × 1,685,072
4. Step 4: Simplify right side
   1,122,528x = 2,839,467,645,184
5. Step 5: Solve for x
   x = 2,839,467,645,184/1,122,528
6. Step 6: Final answer
   x = 2,529,529.46