Finding the Third Proportional to 368,086.31 and 549,930.56

Step by Step Solution

1. Step 1: Write the proportion equation
   368,086.31 : 549,930.56 = 549,930.56 : x
2. Step 2: Convert to fraction form
   368,086.31/549,930.56 = 549,930.56/x
3. Step 3: Cross multiply
   368,086.31x = 549,930.56 × 549,930.56
4. Step 4: Simplify right side
   368,086.31x = 302,423,623,571.57
5. Step 5: Solve for x
   x = 302,423,623,571.57/368,086.31
6. Step 6: Final answer
   x = 821,610.62