Finding the Third Proportional to 387,769.50 and 582,064

Step by Step Solution

1. Step 1: Write the proportion equation
   387,769.50 : 582,064 = 582,064 : x
2. Step 2: Convert to fraction form
   387,769.50/582,064 = 582,064/x
3. Step 3: Cross multiply
   387,769.50x = 582,064 × 582,064
4. Step 4: Simplify right side
   387,769.50x = 338,798,500,096
5. Step 5: Solve for x
   x = 338,798,500,096/387,769.50
6. Step 6: Final answer
   x = 873,711.06