Finding the Third Proportional to 527,196.75 and 817,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   527,196.75 : 817,039.50 = 817,039.50 : x
2. Step 2: Convert to fraction form
   527,196.75/817,039.50 = 817,039.50/x
3. Step 3: Cross multiply
   527,196.75x = 817,039.50 × 817,039.50
4. Step 4: Simplify right side
   527,196.75x = 667,553,544,560.25
5. Step 5: Solve for x
   x = 667,553,544,560.25/527,196.75
6. Step 6: Final answer
   x = 1,266,232.28