Finding the Third Proportional to 173,158.50 and 259,047

Step by Step Solution

1. Step 1: Write the proportion equation
   173,158.50 : 259,047 = 259,047 : x
2. Step 2: Convert to fraction form
   173,158.50/259,047 = 259,047/x
3. Step 3: Cross multiply
   173,158.50x = 259,047 × 259,047
4. Step 4: Simplify right side
   173,158.50x = 67,105,348,209
5. Step 5: Solve for x
   x = 67,105,348,209/173,158.50
6. Step 6: Final answer
   x = 387,537.13