Finding the Third Proportional to 389,019 and 591,523.50

Step by Step Solution

1. Step 1: Write the proportion equation
   389,019 : 591,523.50 = 591,523.50 : x
2. Step 2: Convert to fraction form
   389,019/591,523.50 = 591,523.50/x
3. Step 3: Cross multiply
   389,019x = 591,523.50 × 591,523.50
4. Step 4: Simplify right side
   389,019x = 349,900,051,052.25
5. Step 5: Solve for x
   x = 349,900,051,052.25/389,019
6. Step 6: Final answer
   x = 899,442.06