Finding the Third Proportional to 411,433.50 and 617,151

Step by Step Solution

1. Step 1: Write the proportion equation
   411,433.50 : 617,151 = 617,151 : x
2. Step 2: Convert to fraction form
   411,433.50/617,151 = 617,151/x
3. Step 3: Cross multiply
   411,433.50x = 617,151 × 617,151
4. Step 4: Simplify right side
   411,433.50x = 380,875,356,801
5. Step 5: Solve for x
   x = 380,875,356,801/411,433.50
6. Step 6: Final answer
   x = 925,727.63