Finding the Third Proportional to 173,083.50 and 375,691.50

Step by Step Solution

1. Step 1: Write the proportion equation
   173,083.50 : 375,691.50 = 375,691.50 : x
2. Step 2: Convert to fraction form
   173,083.50/375,691.50 = 375,691.50/x
3. Step 3: Cross multiply
   173,083.50x = 375,691.50 × 375,691.50
4. Step 4: Simplify right side
   173,083.50x = 141,144,103,172.25
5. Step 5: Solve for x
   x = 141,144,103,172.25/173,083.50
6. Step 6: Final answer
   x = 815,468.27