Finding the Third Proportional to 72,969 and 159,778.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,969 : 159,778.50 = 159,778.50 : x
2. Step 2: Convert to fraction form
   72,969/159,778.50 = 159,778.50/x
3. Step 3: Cross multiply
   72,969x = 159,778.50 × 159,778.50
4. Step 4: Simplify right side
   72,969x = 25,529,169,062.25
5. Step 5: Solve for x
   x = 25,529,169,062.25/72,969
6. Step 6: Final answer
   x = 349,863.22