Finding the Third Proportional to 1,198,328 and 1,685,528

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198,328 : 1,685,528 = 1,685,528 : x
2. Step 2: Convert to fraction form
   1,198,328/1,685,528 = 1,685,528/x
3. Step 3: Cross multiply
   1,198,328x = 1,685,528 × 1,685,528
4. Step 4: Simplify right side
   1,198,328x = 2,841,004,638,784
5. Step 5: Solve for x
   x = 2,841,004,638,784/1,198,328
6. Step 6: Final answer
   x = 2,370,807.19