Finding the Third Proportional to 535,923.50 and 853,085.25

Step by Step Solution

1. Step 1: Write the proportion equation
   535,923.50 : 853,085.25 = 853,085.25 : x
2. Step 2: Convert to fraction form
   535,923.50/853,085.25 = 853,085.25/x
3. Step 3: Cross multiply
   535,923.50x = 853,085.25 × 853,085.25
4. Step 4: Simplify right side
   535,923.50x = 727,754,443,767.56
5. Step 5: Solve for x
   x = 727,754,443,767.56/535,923.50
6. Step 6: Final answer
   x = 1,357,944.64