Finding the Third Proportional to 69,258 and 161,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,258 : 161,845.50 = 161,845.50 : x
2. Step 2: Convert to fraction form
   69,258/161,845.50 = 161,845.50/x
3. Step 3: Cross multiply
   69,258x = 161,845.50 × 161,845.50
4. Step 4: Simplify right side
   69,258x = 26,193,965,870.25
5. Step 5: Solve for x
   x = 26,193,965,870.25/69,258
6. Step 6: Final answer
   x = 378,208.52