Finding the Third Proportional to 387,762.75 and 582,054

Step by Step Solution

1. Step 1: Write the proportion equation
   387,762.75 : 582,054 = 582,054 : x
2. Step 2: Convert to fraction form
   387,762.75/582,054 = 582,054/x
3. Step 3: Cross multiply
   387,762.75x = 582,054 × 582,054
4. Step 4: Simplify right side
   387,762.75x = 338,786,858,916
5. Step 5: Solve for x
   x = 338,786,858,916/387,762.75
6. Step 6: Final answer
   x = 873,696.25