Finding the Third Proportional to 161,886.50 and 245,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,886.50 : 245,087.50 = 245,087.50 : x
2. Step 2: Convert to fraction form
   161,886.50/245,087.50 = 245,087.50/x
3. Step 3: Cross multiply
   161,886.50x = 245,087.50 × 245,087.50
4. Step 4: Simplify right side
   161,886.50x = 60,067,882,656.25
5. Step 5: Solve for x
   x = 60,067,882,656.25/161,886.50
6. Step 6: Final answer
   x = 371,049.36