Finding the Third Proportional to 368,391 and 570,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   368,391 : 570,568.50 = 570,568.50 : x
2. Step 2: Convert to fraction form
   368,391/570,568.50 = 570,568.50/x
3. Step 3: Cross multiply
   368,391x = 570,568.50 × 570,568.50
4. Step 4: Simplify right side
   368,391x = 325,548,413,192.25
5. Step 5: Solve for x
   x = 325,548,413,192.25/368,391
6. Step 6: Final answer
   x = 883,703.49