Finding the Third Proportional to 338,199.05 and 535,131.56

Step by Step Solution

1. Step 1: Write the proportion equation
   338,199.05 : 535,131.56 = 535,131.56 : x
2. Step 2: Convert to fraction form
   338,199.05/535,131.56 = 535,131.56/x
3. Step 3: Cross multiply
   338,199.05x = 535,131.56 × 535,131.56
4. Step 4: Simplify right side
   338,199.05x = 286,365,789,183.69
5. Step 5: Solve for x
   x = 286,365,789,183.69/338,199.05
6. Step 6: Final answer
   x = 846,737.42