Finding the Third Proportional to 368,389 and 570,565.50

Step by Step Solution

1. Step 1: Write the proportion equation
   368,389 : 570,565.50 = 570,565.50 : x
2. Step 2: Convert to fraction form
   368,389/570,565.50 = 570,565.50/x
3. Step 3: Cross multiply
   368,389x = 570,565.50 × 570,565.50
4. Step 4: Simplify right side
   368,389x = 325,544,989,790.25
5. Step 5: Solve for x
   x = 325,544,989,790.25/368,389
6. Step 6: Final answer
   x = 883,699.00