Finding the Third Proportional to 395,586 and 612,925.50

Step by Step Solution

1. Step 1: Write the proportion equation
   395,586 : 612,925.50 = 612,925.50 : x
2. Step 2: Convert to fraction form
   395,586/612,925.50 = 612,925.50/x
3. Step 3: Cross multiply
   395,586x = 612,925.50 × 612,925.50
4. Step 4: Simplify right side
   395,586x = 375,677,668,550.25
5. Step 5: Solve for x
   x = 375,677,668,550.25/395,586
6. Step 6: Final answer
   x = 949,673.82