Finding the Third Proportional to 250,605.50 and 591,385

Step by Step Solution

1. Step 1: Write the proportion equation
   250,605.50 : 591,385 = 591,385 : x
2. Step 2: Convert to fraction form
   250,605.50/591,385 = 591,385/x
3. Step 3: Cross multiply
   250,605.50x = 591,385 × 591,385
4. Step 4: Simplify right side
   250,605.50x = 349,736,218,225
5. Step 5: Solve for x
   x = 349,736,218,225/250,605.50
6. Step 6: Final answer
   x = 1,395,564.81