Finding the Third Proportional to 411,538.50 and 898,488

Step by Step Solution

1. Step 1: Write the proportion equation
   411,538.50 : 898,488 = 898,488 : x
2. Step 2: Convert to fraction form
   411,538.50/898,488 = 898,488/x
3. Step 3: Cross multiply
   411,538.50x = 898,488 × 898,488
4. Step 4: Simplify right side
   411,538.50x = 807,280,686,144
5. Step 5: Solve for x
   x = 807,280,686,144/411,538.50
6. Step 6: Final answer
   x = 1,961,616.44