Finding the Third Proportional to 394,770 and 599,539.50

Step by Step Solution

1. Step 1: Write the proportion equation
   394,770 : 599,539.50 = 599,539.50 : x
2. Step 2: Convert to fraction form
   394,770/599,539.50 = 599,539.50/x
3. Step 3: Cross multiply
   394,770x = 599,539.50 × 599,539.50
4. Step 4: Simplify right side
   394,770x = 359,447,612,060.25
5. Step 5: Solve for x
   x = 359,447,612,060.25/394,770
6. Step 6: Final answer
   x = 910,524.13