Finding the Third Proportional to 397,933 and 617,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   397,933 : 617,071.50 = 617,071.50 : x
2. Step 2: Convert to fraction form
   397,933/617,071.50 = 617,071.50/x
3. Step 3: Cross multiply
   397,933x = 617,071.50 × 617,071.50
4. Step 4: Simplify right side
   397,933x = 380,777,236,112.25
5. Step 5: Solve for x
   x = 380,777,236,112.25/397,933
6. Step 6: Final answer
   x = 956,887.81