Finding the Third Proportional to 374,146 and 570,559.25

Step by Step Solution

1. Step 1: Write the proportion equation
   374,146 : 570,559.25 = 570,559.25 : x
2. Step 2: Convert to fraction form
   374,146/570,559.25 = 570,559.25/x
3. Step 3: Cross multiply
   374,146x = 570,559.25 × 570,559.25
4. Step 4: Simplify right side
   374,146x = 325,537,857,760.56
5. Step 5: Solve for x
   x = 325,537,857,760.56/374,146
6. Step 6: Final answer
   x = 870,082.42