Finding the Third Proportional to 158,603.25 and 374,272.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,603.25 : 374,272.50 = 374,272.50 : x
2. Step 2: Convert to fraction form
   158,603.25/374,272.50 = 374,272.50/x
3. Step 3: Cross multiply
   158,603.25x = 374,272.50 × 374,272.50
4. Step 4: Simplify right side
   158,603.25x = 140,079,904,256.25
5. Step 5: Solve for x
   x = 140,079,904,256.25/158,603.25
6. Step 6: Final answer
   x = 883,209.54