Finding the Third Proportional to 538,929 and 898,249.50

Step by Step Solution

1. Step 1: Write the proportion equation
   538,929 : 898,249.50 = 898,249.50 : x
2. Step 2: Convert to fraction form
   538,929/898,249.50 = 898,249.50/x
3. Step 3: Cross multiply
   538,929x = 898,249.50 × 898,249.50
4. Step 4: Simplify right side
   538,929x = 806,852,164,250.25
5. Step 5: Solve for x
   x = 806,852,164,250.25/538,929
6. Step 6: Final answer
   x = 1,497,140.00