Finding the Third Proportional to 527,202 and 817,047.75

Step by Step Solution

1. Step 1: Write the proportion equation
   527,202 : 817,047.75 = 817,047.75 : x
2. Step 2: Convert to fraction form
   527,202/817,047.75 = 817,047.75/x
3. Step 3: Cross multiply
   527,202x = 817,047.75 × 817,047.75
4. Step 4: Simplify right side
   527,202x = 667,567,025,780.06
5. Step 5: Solve for x
   x = 667,567,025,780.06/527,202
6. Step 6: Final answer
   x = 1,266,245.25